Home / 5,158.43-7,113.25-3,062.15

Finding the Fourth Proportional to 5,158.43, 7,113.25 and 3,062.15

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Solution

The fourth proportional to 5,158.43, 7,113.25 and 3,062.15 is: 4,222.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158.43 : 7,113.25 = 3,062.15 : x
  2. Step 2: Convert to fraction form
    5,158.43/7,113.25 = 3,062.15/x
  3. Step 3: Cross multiply
    5,158.43x = 7,113.25 × 3,062.15
  4. Step 4: Simplify right side
    5,158.43x = 21,781,838.49
  5. Step 5: Solve for x
    x = 21,781,838.49/5,158.43
  6. Step 6: Final answer
    x = 4,222.57

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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.