Home / 5,229.36-7,220.34-3,464.64

Finding the Fourth Proportional to 5,229.36, 7,220.34 and 3,464.64

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Solution

The fourth proportional to 5,229.36, 7,220.34 and 3,464.64 is: 4,783.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,229.36 : 7,220.34 = 3,464.64 : x
  2. Step 2: Convert to fraction form
    5,229.36/7,220.34 = 3,464.64/x
  3. Step 3: Cross multiply
    5,229.36x = 7,220.34 × 3,464.64
  4. Step 4: Simplify right side
    5,229.36x = 25,015,878.78
  5. Step 5: Solve for x
    x = 25,015,878.78/5,229.36
  6. Step 6: Final answer
    x = 4,783.74

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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.