Home / 2,472.30-3,405.96-1,724.90

Finding the Fourth Proportional to 2,472.30, 3,405.96 and 1,724.90

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Solution

The fourth proportional to 2,472.30, 3,405.96 and 1,724.90 is: 2,376.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,472.30 : 3,405.96 = 1,724.90 : x
  2. Step 2: Convert to fraction form
    2,472.30/3,405.96 = 1,724.90/x
  3. Step 3: Cross multiply
    2,472.30x = 3,405.96 × 1,724.90
  4. Step 4: Simplify right side
    2,472.30x = 5,874,923.37
  5. Step 5: Solve for x
    x = 5,874,923.37/2,472.30
  6. Step 6: Final answer
    x = 2,376.30

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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.