Home / 5,761.40-8,642.88-2,064.65

Finding the Fourth Proportional to 5,761.40, 8,642.88 and 2,064.65

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Solution

The fourth proportional to 5,761.40, 8,642.88 and 2,064.65 is: 3,097.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,761.40 : 8,642.88 = 2,064.65 : x
  2. Step 2: Convert to fraction form
    5,761.40/8,642.88 = 2,064.65/x
  3. Step 3: Cross multiply
    5,761.40x = 8,642.88 × 2,064.65
  4. Step 4: Simplify right side
    5,761.40x = 17,844,478.98
  5. Step 5: Solve for x
    x = 17,844,478.98/5,761.40
  6. Step 6: Final answer
    x = 3,097.25

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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.