Home / 2,391.91-3,587.85-1,417.32

Finding the Fourth Proportional to 2,391.91, 3,587.85 and 1,417.32

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Solution

The fourth proportional to 2,391.91, 3,587.85 and 1,417.32 is: 2,125.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391.91 : 3,587.85 = 1,417.32 : x
  2. Step 2: Convert to fraction form
    2,391.91/3,587.85 = 1,417.32/x
  3. Step 3: Cross multiply
    2,391.91x = 3,587.85 × 1,417.32
  4. Step 4: Simplify right side
    2,391.91x = 5,085,131.56
  5. Step 5: Solve for x
    x = 5,085,131.56/2,391.91
  6. Step 6: Final answer
    x = 2,125.97

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.