Home / 5,222.32-7,204.08-4,228.72

Finding the Fourth Proportional to 5,222.32, 7,204.08 and 4,228.72

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Solution

The fourth proportional to 5,222.32, 7,204.08 and 4,228.72 is: 5,833.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.32 : 7,204.08 = 4,228.72 : x
  2. Step 2: Convert to fraction form
    5,222.32/7,204.08 = 4,228.72/x
  3. Step 3: Cross multiply
    5,222.32x = 7,204.08 × 4,228.72
  4. Step 4: Simplify right side
    5,222.32x = 30,464,037.18
  5. Step 5: Solve for x
    x = 30,464,037.18/5,222.32
  6. Step 6: Final answer
    x = 5,833.43

Related Problems

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Half scale
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Double scale
Find fourth proportional to 5,223.32, 7,205.46 and 4,229.72
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.