Home / 5,231.77-7,841.70-2,601.11

Finding the Fourth Proportional to 5,231.77, 7,841.70 and 2,601.11

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Solution

The fourth proportional to 5,231.77, 7,841.70 and 2,601.11 is: 3,898.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231.77 : 7,841.70 = 2,601.11 : x
  2. Step 2: Convert to fraction form
    5,231.77/7,841.70 = 2,601.11/x
  3. Step 3: Cross multiply
    5,231.77x = 7,841.70 × 2,601.11
  4. Step 4: Simplify right side
    5,231.77x = 20,397,124.29
  5. Step 5: Solve for x
    x = 20,397,124.29/5,231.77
  6. Step 6: Final answer
    x = 3,898.70

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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.