Home / 4,087.17-5,640.66-2,319.33

Finding the Fourth Proportional to 4,087.17, 5,640.66 and 2,319.33

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Solution

The fourth proportional to 4,087.17, 5,640.66 and 2,319.33 is: 3,200.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.17 : 5,640.66 = 2,319.33 : x
  2. Step 2: Convert to fraction form
    4,087.17/5,640.66 = 2,319.33/x
  3. Step 3: Cross multiply
    4,087.17x = 5,640.66 × 2,319.33
  4. Step 4: Simplify right side
    4,087.17x = 13,082,551.96
  5. Step 5: Solve for x
    x = 13,082,551.96/4,087.17
  6. Step 6: Final answer
    x = 3,200.88

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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.