Home / 2,562.40-3,847.65-1,744.30

Finding the Fourth Proportional to 2,562.40, 3,847.65 and 1,744.30

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Solution

The fourth proportional to 2,562.40, 3,847.65 and 1,744.30 is: 2,619.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,562.40 : 3,847.65 = 1,744.30 : x
  2. Step 2: Convert to fraction form
    2,562.40/3,847.65 = 1,744.30/x
  3. Step 3: Cross multiply
    2,562.40x = 3,847.65 × 1,744.30
  4. Step 4: Simplify right side
    2,562.40x = 6,711,455.90
  5. Step 5: Solve for x
    x = 6,711,455.90/2,562.40
  6. Step 6: Final answer
    x = 2,619.21

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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.