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Finding the Fourth Proportional to 4,687.75, 6,460.15 and 3,359.15

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Solution

The fourth proportional to 4,687.75, 6,460.15 and 3,359.15 is: 4,629.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687.75 : 6,460.15 = 3,359.15 : x
  2. Step 2: Convert to fraction form
    4,687.75/6,460.15 = 3,359.15/x
  3. Step 3: Cross multiply
    4,687.75x = 6,460.15 × 3,359.15
  4. Step 4: Simplify right side
    4,687.75x = 21,700,572.17
  5. Step 5: Solve for x
    x = 21,700,572.17/4,687.75
  6. Step 6: Final answer
    x = 4,629.21

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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.