Home / 3,125.73-4,687.23-1,482.75

Finding the Fourth Proportional to 3,125.73, 4,687.23 and 1,482.75

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Solution

The fourth proportional to 3,125.73, 4,687.23 and 1,482.75 is: 2,223.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.73 : 4,687.23 = 1,482.75 : x
  2. Step 2: Convert to fraction form
    3,125.73/4,687.23 = 1,482.75/x
  3. Step 3: Cross multiply
    3,125.73x = 4,687.23 × 1,482.75
  4. Step 4: Simplify right side
    3,125.73x = 6,949,959.43
  5. Step 5: Solve for x
    x = 6,949,959.43/3,125.73
  6. Step 6: Final answer
    x = 2,223.47

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Double scale
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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.