Home / 3,061.78-4,225.17-1,882.66

Finding the Fourth Proportional to 3,061.78, 4,225.17 and 1,882.66

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Solution

The fourth proportional to 3,061.78, 4,225.17 and 1,882.66 is: 2,598.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,061.78 : 4,225.17 = 1,882.66 : x
  2. Step 2: Convert to fraction form
    3,061.78/4,225.17 = 1,882.66/x
  3. Step 3: Cross multiply
    3,061.78x = 4,225.17 × 1,882.66
  4. Step 4: Simplify right side
    3,061.78x = 7,954,558.55
  5. Step 5: Solve for x
    x = 7,954,558.55/3,061.78
  6. Step 6: Final answer
    x = 2,598.02

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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.