Home / 5,002.43-6,901.61-3,112.90

Finding the Fourth Proportional to 5,002.43, 6,901.61 and 3,112.90

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Solution

The fourth proportional to 5,002.43, 6,901.61 and 3,112.90 is: 4,294.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,002.43 : 6,901.61 = 3,112.90 : x
  2. Step 2: Convert to fraction form
    5,002.43/6,901.61 = 3,112.90/x
  3. Step 3: Cross multiply
    5,002.43x = 6,901.61 × 3,112.90
  4. Step 4: Simplify right side
    5,002.43x = 21,483,988.95
  5. Step 5: Solve for x
    x = 21,483,988.95/5,002.43
  6. Step 6: Final answer
    x = 4,294.71

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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.