Home / 4,318.13-5,958-3,137.15

Finding the Fourth Proportional to 4,318.13, 5,958 and 3,137.15

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Solution

The fourth proportional to 4,318.13, 5,958 and 3,137.15 is: 4,328.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,318.13 : 5,958 = 3,137.15 : x
  2. Step 2: Convert to fraction form
    4,318.13/5,958 = 3,137.15/x
  3. Step 3: Cross multiply
    4,318.13x = 5,958 × 3,137.15
  4. Step 4: Simplify right side
    4,318.13x = 18,691,139.70
  5. Step 5: Solve for x
    x = 18,691,139.70/4,318.13
  6. Step 6: Final answer
    x = 4,328.53

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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.