Home / 4,081.84-5,632.68-2,686.48

Finding the Fourth Proportional to 4,081.84, 5,632.68 and 2,686.48

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Solution

The fourth proportional to 4,081.84, 5,632.68 and 2,686.48 is: 3,707.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.84 : 5,632.68 = 2,686.48 : x
  2. Step 2: Convert to fraction form
    4,081.84/5,632.68 = 2,686.48/x
  3. Step 3: Cross multiply
    4,081.84x = 5,632.68 × 2,686.48
  4. Step 4: Simplify right side
    4,081.84x = 15,132,082.17
  5. Step 5: Solve for x
    x = 15,132,082.17/4,081.84
  6. Step 6: Final answer
    x = 3,707.17

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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.