Home / 7,515.59-10,370.97-4,158.14

Finding the Fourth Proportional to 7,515.59, 10,370.97 and 4,158.14

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Solution

The fourth proportional to 7,515.59, 10,370.97 and 4,158.14 is: 5,737.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515.59 : 10,370.97 = 4,158.14 : x
  2. Step 2: Convert to fraction form
    7,515.59/10,370.97 = 4,158.14/x
  3. Step 3: Cross multiply
    7,515.59x = 10,370.97 × 4,158.14
  4. Step 4: Simplify right side
    7,515.59x = 43,123,893.34
  5. Step 5: Solve for x
    x = 43,123,893.34/7,515.59
  6. Step 6: Final answer
    x = 5,737.93

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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.