Home / 5,685.41-8,521.19-2,564.59

Finding the Fourth Proportional to 5,685.41, 8,521.19 and 2,564.59

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Solution

The fourth proportional to 5,685.41, 8,521.19 and 2,564.59 is: 3,843.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,685.41 : 8,521.19 = 2,564.59 : x
  2. Step 2: Convert to fraction form
    5,685.41/8,521.19 = 2,564.59/x
  3. Step 3: Cross multiply
    5,685.41x = 8,521.19 × 2,564.59
  4. Step 4: Simplify right side
    5,685.41x = 21,853,358.66
  5. Step 5: Solve for x
    x = 21,853,358.66/5,685.41
  6. Step 6: Final answer
    x = 3,843.76

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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.