Home / 5,201.15-7,177.28-2,962.71

Finding the Fourth Proportional to 5,201.15, 7,177.28 and 2,962.71

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Solution

The fourth proportional to 5,201.15, 7,177.28 and 2,962.71 is: 4,088.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,201.15 : 7,177.28 = 2,962.71 : x
  2. Step 2: Convert to fraction form
    5,201.15/7,177.28 = 2,962.71/x
  3. Step 3: Cross multiply
    5,201.15x = 7,177.28 × 2,962.71
  4. Step 4: Simplify right side
    5,201.15x = 21,264,184.42
  5. Step 5: Solve for x
    x = 21,264,184.42/5,201.15
  6. Step 6: Final answer
    x = 4,088.37

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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.