Home / 5,765.61-8,649.57-2,068.13

Finding the Fourth Proportional to 5,765.61, 8,649.57 and 2,068.13

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Solution

The fourth proportional to 5,765.61, 8,649.57 and 2,068.13 is: 3,102.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,765.61 : 8,649.57 = 2,068.13 : x
  2. Step 2: Convert to fraction form
    5,765.61/8,649.57 = 2,068.13/x
  3. Step 3: Cross multiply
    5,765.61x = 8,649.57 × 2,068.13
  4. Step 4: Simplify right side
    5,765.61x = 17,888,381.62
  5. Step 5: Solve for x
    x = 17,888,381.62/5,765.61
  6. Step 6: Final answer
    x = 3,102.60

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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.