Home / 6,071.29-8,378.24-3,418.71

Finding the Fourth Proportional to 6,071.29, 8,378.24 and 3,418.71

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Solution

The fourth proportional to 6,071.29, 8,378.24 and 3,418.71 is: 4,717.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,071.29 : 8,378.24 = 3,418.71 : x
  2. Step 2: Convert to fraction form
    6,071.29/8,378.24 = 3,418.71/x
  3. Step 3: Cross multiply
    6,071.29x = 8,378.24 × 3,418.71
  4. Step 4: Simplify right side
    6,071.29x = 28,642,724.36
  5. Step 5: Solve for x
    x = 28,642,724.36/6,071.29
  6. Step 6: Final answer
    x = 4,717.73

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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.