Home / 3,108.93-4,294.18-2,256.82

Finding the Fourth Proportional to 3,108.93, 4,294.18 and 2,256.82

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Solution

The fourth proportional to 3,108.93, 4,294.18 and 2,256.82 is: 3,117.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.93 : 4,294.18 = 2,256.82 : x
  2. Step 2: Convert to fraction form
    3,108.93/4,294.18 = 2,256.82/x
  3. Step 3: Cross multiply
    3,108.93x = 4,294.18 × 2,256.82
  4. Step 4: Simplify right side
    3,108.93x = 9,691,174.93
  5. Step 5: Solve for x
    x = 9,691,174.93/3,108.93
  6. Step 6: Final answer
    x = 3,117.21

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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.