Home / 2,677.38-3,686.66-2,374.28

Finding the Fourth Proportional to 2,677.38, 3,686.66 and 2,374.28

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Solution

The fourth proportional to 2,677.38, 3,686.66 and 2,374.28 is: 3,269.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,677.38 : 3,686.66 = 2,374.28 : x
  2. Step 2: Convert to fraction form
    2,677.38/3,686.66 = 2,374.28/x
  3. Step 3: Cross multiply
    2,677.38x = 3,686.66 × 2,374.28
  4. Step 4: Simplify right side
    2,677.38x = 8,753,163.10
  5. Step 5: Solve for x
    x = 8,753,163.10/2,677.38
  6. Step 6: Final answer
    x = 3,269.30

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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.