Home / 2,391.41-3,587.10-1,416.82

Finding the Fourth Proportional to 2,391.41, 3,587.10 and 1,416.82

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Solution

The fourth proportional to 2,391.41, 3,587.10 and 1,416.82 is: 2,125.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391.41 : 3,587.10 = 1,416.82 : x
  2. Step 2: Convert to fraction form
    2,391.41/3,587.10 = 1,416.82/x
  3. Step 3: Cross multiply
    2,391.41x = 3,587.10 × 1,416.82
  4. Step 4: Simplify right side
    2,391.41x = 5,082,257.09
  5. Step 5: Solve for x
    x = 5,082,257.09/2,391.41
  6. Step 6: Final answer
    x = 2,125.21

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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.