Home / 2,292.24-3,160.44-2,169.12

Finding the Fourth Proportional to 2,292.24, 3,160.44 and 2,169.12

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Solution

The fourth proportional to 2,292.24, 3,160.44 and 2,169.12 is: 2,990.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,292.24 : 3,160.44 = 2,169.12 : x
  2. Step 2: Convert to fraction form
    2,292.24/3,160.44 = 2,169.12/x
  3. Step 3: Cross multiply
    2,292.24x = 3,160.44 × 2,169.12
  4. Step 4: Simplify right side
    2,292.24x = 6,855,373.61
  5. Step 5: Solve for x
    x = 6,855,373.61/2,292.24
  6. Step 6: Final answer
    x = 2,990.69

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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.