Home / 5,432.91-8,146.76-2,656.33

Finding the Fourth Proportional to 5,432.91, 8,146.76 and 2,656.33

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Solution

The fourth proportional to 5,432.91, 8,146.76 and 2,656.33 is: 3,983.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432.91 : 8,146.76 = 2,656.33 : x
  2. Step 2: Convert to fraction form
    5,432.91/8,146.76 = 2,656.33/x
  3. Step 3: Cross multiply
    5,432.91x = 8,146.76 × 2,656.33
  4. Step 4: Simplify right side
    5,432.91x = 21,640,482.99
  5. Step 5: Solve for x
    x = 21,640,482.99/5,432.91
  6. Step 6: Final answer
    x = 3,983.22

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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.