Home / 5,589.91-7,713.74-3,071.53

Finding the Fourth Proportional to 5,589.91, 7,713.74 and 3,071.53

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Solution

The fourth proportional to 5,589.91, 7,713.74 and 3,071.53 is: 4,238.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,589.91 : 7,713.74 = 3,071.53 : x
  2. Step 2: Convert to fraction form
    5,589.91/7,713.74 = 3,071.53/x
  3. Step 3: Cross multiply
    5,589.91x = 7,713.74 × 3,071.53
  4. Step 4: Simplify right side
    5,589.91x = 23,692,968.46
  5. Step 5: Solve for x
    x = 23,692,968.46/5,589.91
  6. Step 6: Final answer
    x = 4,238.52

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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.