Home / 5,511.78-7,600.66-4,717.74

Finding the Fourth Proportional to 5,511.78, 7,600.66 and 4,717.74

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Solution

The fourth proportional to 5,511.78, 7,600.66 and 4,717.74 is: 6,505.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.78 : 7,600.66 = 4,717.74 : x
  2. Step 2: Convert to fraction form
    5,511.78/7,600.66 = 4,717.74/x
  3. Step 3: Cross multiply
    5,511.78x = 7,600.66 × 4,717.74
  4. Step 4: Simplify right side
    5,511.78x = 35,857,937.71
  5. Step 5: Solve for x
    x = 35,857,937.71/5,511.78
  6. Step 6: Final answer
    x = 6,505.69

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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.