Home / 5,362.72-8,045.71-2,588.88

Finding the Fourth Proportional to 5,362.72, 8,045.71 and 2,588.88

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Solution

The fourth proportional to 5,362.72, 8,045.71 and 2,588.88 is: 3,884.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,362.72 : 8,045.71 = 2,588.88 : x
  2. Step 2: Convert to fraction form
    5,362.72/8,045.71 = 2,588.88/x
  3. Step 3: Cross multiply
    5,362.72x = 8,045.71 × 2,588.88
  4. Step 4: Simplify right side
    5,362.72x = 20,829,377.70
  5. Step 5: Solve for x
    x = 20,829,377.70/5,362.72
  6. Step 6: Final answer
    x = 3,884.11

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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.