Home / 5,716.46-7,886.40-3,726.32

Finding the Fourth Proportional to 5,716.46, 7,886.40 and 3,726.32

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Solution

The fourth proportional to 5,716.46, 7,886.40 and 3,726.32 is: 5,140.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,716.46 : 7,886.40 = 3,726.32 : x
  2. Step 2: Convert to fraction form
    5,716.46/7,886.40 = 3,726.32/x
  3. Step 3: Cross multiply
    5,716.46x = 7,886.40 × 3,726.32
  4. Step 4: Simplify right side
    5,716.46x = 29,387,250.05
  5. Step 5: Solve for x
    x = 29,387,250.05/5,716.46
  6. Step 6: Final answer
    x = 5,140.81

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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.