Home / 5,543.33-7,649.10-3,390.96

Finding the Fourth Proportional to 5,543.33, 7,649.10 and 3,390.96

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Solution

The fourth proportional to 5,543.33, 7,649.10 and 3,390.96 is: 4,679.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,543.33 : 7,649.10 = 3,390.96 : x
  2. Step 2: Convert to fraction form
    5,543.33/7,649.10 = 3,390.96/x
  3. Step 3: Cross multiply
    5,543.33x = 7,649.10 × 3,390.96
  4. Step 4: Simplify right side
    5,543.33x = 25,937,753.89
  5. Step 5: Solve for x
    x = 25,937,753.89/5,543.33
  6. Step 6: Final answer
    x = 4,679.09

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1.5x scale

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.