Home / 4,087.23-5,640.29-2,294.75

Finding the Fourth Proportional to 4,087.23, 5,640.29 and 2,294.75

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Solution

The fourth proportional to 4,087.23, 5,640.29 and 2,294.75 is: 3,166.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.23 : 5,640.29 = 2,294.75 : x
  2. Step 2: Convert to fraction form
    4,087.23/5,640.29 = 2,294.75/x
  3. Step 3: Cross multiply
    4,087.23x = 5,640.29 × 2,294.75
  4. Step 4: Simplify right side
    4,087.23x = 12,943,034.98
  5. Step 5: Solve for x
    x = 12,943,034.98/4,087.23
  6. Step 6: Final answer
    x = 3,166.70

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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.