Home / 3,034.71-4,187.88-1,708.38

Finding the Fourth Proportional to 3,034.71, 4,187.88 and 1,708.38

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Solution

The fourth proportional to 3,034.71, 4,187.88 and 1,708.38 is: 2,357.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,034.71 : 4,187.88 = 1,708.38 : x
  2. Step 2: Convert to fraction form
    3,034.71/4,187.88 = 1,708.38/x
  3. Step 3: Cross multiply
    3,034.71x = 4,187.88 × 1,708.38
  4. Step 4: Simplify right side
    3,034.71x = 7,154,490.43
  5. Step 5: Solve for x
    x = 7,154,490.43/3,034.71
  6. Step 6: Final answer
    x = 2,357.55

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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.