Home / 3,587.37-5,381.02-2,125.47

Finding the Fourth Proportional to 3,587.37, 5,381.02 and 2,125.47

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Solution

The fourth proportional to 3,587.37, 5,381.02 and 2,125.47 is: 3,188.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.37 : 5,381.02 = 2,125.47 : x
  2. Step 2: Convert to fraction form
    3,587.37/5,381.02 = 2,125.47/x
  3. Step 3: Cross multiply
    3,587.37x = 5,381.02 × 2,125.47
  4. Step 4: Simplify right side
    3,587.37x = 11,437,196.58
  5. Step 5: Solve for x
    x = 11,437,196.58/3,587.37
  6. Step 6: Final answer
    x = 3,188.18

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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.