Home / 5,461.32-7,534.14-3,223.20

Finding the Fourth Proportional to 5,461.32, 7,534.14 and 3,223.20

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Solution

The fourth proportional to 5,461.32, 7,534.14 and 3,223.20 is: 4,446.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,461.32 : 7,534.14 = 3,223.20 : x
  2. Step 2: Convert to fraction form
    5,461.32/7,534.14 = 3,223.20/x
  3. Step 3: Cross multiply
    5,461.32x = 7,534.14 × 3,223.20
  4. Step 4: Simplify right side
    5,461.32x = 24,284,040.05
  5. Step 5: Solve for x
    x = 24,284,040.05/5,461.32
  6. Step 6: Final answer
    x = 4,446.55

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Half scale
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Double scale
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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.