Home / 5,397.56-8,098.77-2,436.20

Finding the Fourth Proportional to 5,397.56, 8,098.77 and 2,436.20

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Solution

The fourth proportional to 5,397.56, 8,098.77 and 2,436.20 is: 3,655.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,397.56 : 8,098.77 = 2,436.20 : x
  2. Step 2: Convert to fraction form
    5,397.56/8,098.77 = 2,436.20/x
  3. Step 3: Cross multiply
    5,397.56x = 8,098.77 × 2,436.20
  4. Step 4: Simplify right side
    5,397.56x = 19,730,223.47
  5. Step 5: Solve for x
    x = 19,730,223.47/5,397.56
  6. Step 6: Final answer
    x = 3,655.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.