Home / 5,501.91-8,253.68-1,992.18

Finding the Fourth Proportional to 5,501.91, 8,253.68 and 1,992.18

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Solution

The fourth proportional to 5,501.91, 8,253.68 and 1,992.18 is: 2,988.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,501.91 : 8,253.68 = 1,992.18 : x
  2. Step 2: Convert to fraction form
    5,501.91/8,253.68 = 1,992.18/x
  3. Step 3: Cross multiply
    5,501.91x = 8,253.68 × 1,992.18
  4. Step 4: Simplify right side
    5,501.91x = 16,442,821.20
  5. Step 5: Solve for x
    x = 16,442,821.20/5,501.91
  6. Step 6: Final answer
    x = 2,988.57

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Double scale
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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.