Home / 5,785.18-7,980.94-3,425.96

Finding the Fourth Proportional to 5,785.18, 7,980.94 and 3,425.96

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Solution

The fourth proportional to 5,785.18, 7,980.94 and 3,425.96 is: 4,726.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785.18 : 7,980.94 = 3,425.96 : x
  2. Step 2: Convert to fraction form
    5,785.18/7,980.94 = 3,425.96/x
  3. Step 3: Cross multiply
    5,785.18x = 7,980.94 × 3,425.96
  4. Step 4: Simplify right side
    5,785.18x = 27,342,381.20
  5. Step 5: Solve for x
    x = 27,342,381.20/5,785.18
  6. Step 6: Final answer
    x = 4,726.28

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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.