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Finding the Fourth Proportional to 5,955.68, 8,216.71 and 3,715.74

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Solution

The fourth proportional to 5,955.68, 8,216.71 and 3,715.74 is: 5,126.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,955.68 : 8,216.71 = 3,715.74 : x
  2. Step 2: Convert to fraction form
    5,955.68/8,216.71 = 3,715.74/x
  3. Step 3: Cross multiply
    5,955.68x = 8,216.71 × 3,715.74
  4. Step 4: Simplify right side
    5,955.68x = 30,531,148.73
  5. Step 5: Solve for x
    x = 30,531,148.73/5,955.68
  6. Step 6: Final answer
    x = 5,126.39

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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.