Home / 5,360.97-7,398.86-3,123.55

Finding the Fourth Proportional to 5,360.97, 7,398.86 and 3,123.55

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Solution

The fourth proportional to 5,360.97, 7,398.86 and 3,123.55 is: 4,310.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,360.97 : 7,398.86 = 3,123.55 : x
  2. Step 2: Convert to fraction form
    5,360.97/7,398.86 = 3,123.55/x
  3. Step 3: Cross multiply
    5,360.97x = 7,398.86 × 3,123.55
  4. Step 4: Simplify right side
    5,360.97x = 23,110,678.74
  5. Step 5: Solve for x
    x = 23,110,678.74/5,360.97
  6. Step 6: Final answer
    x = 4,310.92

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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.