Home / 3,034.45-4,187.10-1,707.90

Finding the Fourth Proportional to 3,034.45, 4,187.10 and 1,707.90

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Solution

The fourth proportional to 3,034.45, 4,187.10 and 1,707.90 is: 2,356.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,034.45 : 4,187.10 = 1,707.90 : x
  2. Step 2: Convert to fraction form
    3,034.45/4,187.10 = 1,707.90/x
  3. Step 3: Cross multiply
    3,034.45x = 4,187.10 × 1,707.90
  4. Step 4: Simplify right side
    3,034.45x = 7,151,148.09
  5. Step 5: Solve for x
    x = 7,151,148.09/3,034.45
  6. Step 6: Final answer
    x = 2,356.65

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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.