Home / 6,472.97-9,707.40-2,774.21

Finding the Fourth Proportional to 6,472.97, 9,707.40 and 2,774.21

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Solution

The fourth proportional to 6,472.97, 9,707.40 and 2,774.21 is: 4,160.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,472.97 : 9,707.40 = 2,774.21 : x
  2. Step 2: Convert to fraction form
    6,472.97/9,707.40 = 2,774.21/x
  3. Step 3: Cross multiply
    6,472.97x = 9,707.40 × 2,774.21
  4. Step 4: Simplify right side
    6,472.97x = 26,930,366.15
  5. Step 5: Solve for x
    x = 26,930,366.15/6,472.97
  6. Step 6: Final answer
    x = 4,160.43

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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.