Home / 5,553.15-7,655.23-4,224.55

Finding the Fourth Proportional to 5,553.15, 7,655.23 and 4,224.55

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Solution

The fourth proportional to 5,553.15, 7,655.23 and 4,224.55 is: 5,823.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,553.15 : 7,655.23 = 4,224.55 : x
  2. Step 2: Convert to fraction form
    5,553.15/7,655.23 = 4,224.55/x
  3. Step 3: Cross multiply
    5,553.15x = 7,655.23 × 4,224.55
  4. Step 4: Simplify right side
    5,553.15x = 32,339,872.20
  5. Step 5: Solve for x
    x = 32,339,872.20/5,553.15
  6. Step 6: Final answer
    x = 5,823.70

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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.