Home / 5,589.71-7,713.83-3,071.93

Finding the Fourth Proportional to 5,589.71, 7,713.83 and 3,071.93

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Solution

The fourth proportional to 5,589.71, 7,713.83 and 3,071.93 is: 4,239.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,589.71 : 7,713.83 = 3,071.93 : x
  2. Step 2: Convert to fraction form
    5,589.71/7,713.83 = 3,071.93/x
  3. Step 3: Cross multiply
    5,589.71x = 7,713.83 × 3,071.93
  4. Step 4: Simplify right side
    5,589.71x = 23,696,314.90
  5. Step 5: Solve for x
    x = 23,696,314.90/5,589.71
  6. Step 6: Final answer
    x = 4,239.28

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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.