Home / 5,360.53-7,397.56-3,123.94

Finding the Fourth Proportional to 5,360.53, 7,397.56 and 3,123.94

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Solution

The fourth proportional to 5,360.53, 7,397.56 and 3,123.94 is: 4,311.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,360.53 : 7,397.56 = 3,123.94 : x
  2. Step 2: Convert to fraction form
    5,360.53/7,397.56 = 3,123.94/x
  3. Step 3: Cross multiply
    5,360.53x = 7,397.56 × 3,123.94
  4. Step 4: Simplify right side
    5,360.53x = 23,109,517.97
  5. Step 5: Solve for x
    x = 23,109,517.97/5,360.53
  6. Step 6: Final answer
    x = 4,311.05

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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.