Home / 5,716.42-7,886.91-3,726.25

Finding the Fourth Proportional to 5,716.42, 7,886.91 and 3,726.25

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Solution

The fourth proportional to 5,716.42, 7,886.91 and 3,726.25 is: 5,141.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,716.42 : 7,886.91 = 3,726.25 : x
  2. Step 2: Convert to fraction form
    5,716.42/7,886.91 = 3,726.25/x
  3. Step 3: Cross multiply
    5,716.42x = 7,886.91 × 3,726.25
  4. Step 4: Simplify right side
    5,716.42x = 29,388,598.39
  5. Step 5: Solve for x
    x = 29,388,598.39/5,716.42
  6. Step 6: Final answer
    x = 5,141.08

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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.