Home / 4,715.71-7,072.65-4,481.55

Finding the Fourth Proportional to 4,715.71, 7,072.65 and 4,481.55

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Solution

The fourth proportional to 4,715.71, 7,072.65 and 4,481.55 is: 6,721.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,715.71 : 7,072.65 = 4,481.55 : x
  2. Step 2: Convert to fraction form
    4,715.71/7,072.65 = 4,481.55/x
  3. Step 3: Cross multiply
    4,715.71x = 7,072.65 × 4,481.55
  4. Step 4: Simplify right side
    4,715.71x = 31,696,434.61
  5. Step 5: Solve for x
    x = 31,696,434.61/4,715.71
  6. Step 6: Final answer
    x = 6,721.46

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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.