Home / 4,314.28-5,947.68-3,648.46

Finding the Fourth Proportional to 4,314.28, 5,947.68 and 3,648.46

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Solution

The fourth proportional to 4,314.28, 5,947.68 and 3,648.46 is: 5,029.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,314.28 : 5,947.68 = 3,648.46 : x
  2. Step 2: Convert to fraction form
    4,314.28/5,947.68 = 3,648.46/x
  3. Step 3: Cross multiply
    4,314.28x = 5,947.68 × 3,648.46
  4. Step 4: Simplify right side
    4,314.28x = 21,699,872.57
  5. Step 5: Solve for x
    x = 21,699,872.57/4,314.28
  6. Step 6: Final answer
    x = 5,029.78

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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.