Home / 7,225.71-10,839.83-2,545.35

Finding the Fourth Proportional to 7,225.71, 10,839.83 and 2,545.35

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Solution

The fourth proportional to 7,225.71, 10,839.83 and 2,545.35 is: 3,818.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,225.71 : 10,839.83 = 2,545.35 : x
  2. Step 2: Convert to fraction form
    7,225.71/10,839.83 = 2,545.35/x
  3. Step 3: Cross multiply
    7,225.71x = 10,839.83 × 2,545.35
  4. Step 4: Simplify right side
    7,225.71x = 27,591,148.56
  5. Step 5: Solve for x
    x = 27,591,148.56/7,225.71
  6. Step 6: Final answer
    x = 3,818.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.