Home / 4,115.61-5,681.95-2,625.82

Finding the Fourth Proportional to 4,115.61, 5,681.95 and 2,625.82

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Solution

The fourth proportional to 4,115.61, 5,681.95 and 2,625.82 is: 3,625.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.61 : 5,681.95 = 2,625.82 : x
  2. Step 2: Convert to fraction form
    4,115.61/5,681.95 = 2,625.82/x
  3. Step 3: Cross multiply
    4,115.61x = 5,681.95 × 2,625.82
  4. Step 4: Simplify right side
    4,115.61x = 14,919,757.18
  5. Step 5: Solve for x
    x = 14,919,757.18/4,115.61
  6. Step 6: Final answer
    x = 3,625.16

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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.