Home / 4,901.50-7,354.23-2,126.71

Finding the Fourth Proportional to 4,901.50, 7,354.23 and 2,126.71

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Solution

The fourth proportional to 4,901.50, 7,354.23 and 2,126.71 is: 3,190.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,901.50 : 7,354.23 = 2,126.71 : x
  2. Step 2: Convert to fraction form
    4,901.50/7,354.23 = 2,126.71/x
  3. Step 3: Cross multiply
    4,901.50x = 7,354.23 × 2,126.71
  4. Step 4: Simplify right side
    4,901.50x = 15,640,314.48
  5. Step 5: Solve for x
    x = 15,640,314.48/4,901.50
  6. Step 6: Final answer
    x = 3,190.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.