Home / 7,319.78-10,101.27-3,962.66

Finding the Fourth Proportional to 7,319.78, 10,101.27 and 3,962.66

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Solution

The fourth proportional to 7,319.78, 10,101.27 and 3,962.66 is: 5,468.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,319.78 : 10,101.27 = 3,962.66 : x
  2. Step 2: Convert to fraction form
    7,319.78/10,101.27 = 3,962.66/x
  3. Step 3: Cross multiply
    7,319.78x = 10,101.27 × 3,962.66
  4. Step 4: Simplify right side
    7,319.78x = 40,027,862.93
  5. Step 5: Solve for x
    x = 40,027,862.93/7,319.78
  6. Step 6: Final answer
    x = 5,468.45

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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.