Home / 2,655.30-3,665.18-2,375.04

Finding the Fourth Proportional to 2,655.30, 3,665.18 and 2,375.04

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Solution

The fourth proportional to 2,655.30, 3,665.18 and 2,375.04 is: 3,278.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,655.30 : 3,665.18 = 2,375.04 : x
  2. Step 2: Convert to fraction form
    2,655.30/3,665.18 = 2,375.04/x
  3. Step 3: Cross multiply
    2,655.30x = 3,665.18 × 2,375.04
  4. Step 4: Simplify right side
    2,655.30x = 8,704,949.11
  5. Step 5: Solve for x
    x = 8,704,949.11/2,655.30
  6. Step 6: Final answer
    x = 3,278.33

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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.