Home / 5,599.40-7,726.94-3,081.28

Finding the Fourth Proportional to 5,599.40, 7,726.94 and 3,081.28

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Solution

The fourth proportional to 5,599.40, 7,726.94 and 3,081.28 is: 4,252.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,599.40 : 7,726.94 = 3,081.28 : x
  2. Step 2: Convert to fraction form
    5,599.40/7,726.94 = 3,081.28/x
  3. Step 3: Cross multiply
    5,599.40x = 7,726.94 × 3,081.28
  4. Step 4: Simplify right side
    5,599.40x = 23,808,863.47
  5. Step 5: Solve for x
    x = 23,808,863.47/5,599.40
  6. Step 6: Final answer
    x = 4,252.04

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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.