Home / 5,109.13-7,661.18-2,298.83

Finding the Fourth Proportional to 5,109.13, 7,661.18 and 2,298.83

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Solution

The fourth proportional to 5,109.13, 7,661.18 and 2,298.83 is: 3,447.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,109.13 : 7,661.18 = 2,298.83 : x
  2. Step 2: Convert to fraction form
    5,109.13/7,661.18 = 2,298.83/x
  3. Step 3: Cross multiply
    5,109.13x = 7,661.18 × 2,298.83
  4. Step 4: Simplify right side
    5,109.13x = 17,611,760.95
  5. Step 5: Solve for x
    x = 17,611,760.95/5,109.13
  6. Step 6: Final answer
    x = 3,447.12

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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.