Home / 3,034.38-4,186.26-1,707.78

Finding the Fourth Proportional to 3,034.38, 4,186.26 and 1,707.78

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Solution

The fourth proportional to 3,034.38, 4,186.26 and 1,707.78 is: 2,356.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,034.38 : 4,186.26 = 1,707.78 : x
  2. Step 2: Convert to fraction form
    3,034.38/4,186.26 = 1,707.78/x
  3. Step 3: Cross multiply
    3,034.38x = 4,186.26 × 1,707.78
  4. Step 4: Simplify right side
    3,034.38x = 7,149,211.10
  5. Step 5: Solve for x
    x = 7,149,211.10/3,034.38
  6. Step 6: Final answer
    x = 2,356.07

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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.