Home / 5,791.25-8,681.10-2,279.06

Finding the Fourth Proportional to 5,791.25, 8,681.10 and 2,279.06

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Solution

The fourth proportional to 5,791.25, 8,681.10 and 2,279.06 is: 3,416.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,791.25 : 8,681.10 = 2,279.06 : x
  2. Step 2: Convert to fraction form
    5,791.25/8,681.10 = 2,279.06/x
  3. Step 3: Cross multiply
    5,791.25x = 8,681.10 × 2,279.06
  4. Step 4: Simplify right side
    5,791.25x = 19,784,747.77
  5. Step 5: Solve for x
    x = 19,784,747.77/5,791.25
  6. Step 6: Final answer
    x = 3,416.32

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1.5x scale

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.