Home / 3,034.56-4,187.25-1,707.78

Finding the Fourth Proportional to 3,034.56, 4,187.25 and 1,707.78

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Solution

The fourth proportional to 3,034.56, 4,187.25 and 1,707.78 is: 2,356.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,034.56 : 4,187.25 = 1,707.78 : x
  2. Step 2: Convert to fraction form
    3,034.56/4,187.25 = 1,707.78/x
  3. Step 3: Cross multiply
    3,034.56x = 4,187.25 × 1,707.78
  4. Step 4: Simplify right side
    3,034.56x = 7,150,901.81
  5. Step 5: Solve for x
    x = 7,150,901.81/3,034.56
  6. Step 6: Final answer
    x = 2,356.49

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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.