Home / 2,326.38-3,489.10-1,155.16

Finding the Fourth Proportional to 2,326.38, 3,489.10 and 1,155.16

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Solution

The fourth proportional to 2,326.38, 3,489.10 and 1,155.16 is: 1,732.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,326.38 : 3,489.10 = 1,155.16 : x
  2. Step 2: Convert to fraction form
    2,326.38/3,489.10 = 1,155.16/x
  3. Step 3: Cross multiply
    2,326.38x = 3,489.10 × 1,155.16
  4. Step 4: Simplify right side
    2,326.38x = 4,030,468.76
  5. Step 5: Solve for x
    x = 4,030,468.76/2,326.38
  6. Step 6: Final answer
    x = 1,732.51

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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.