Home / 3,034.40-4,187.70-1,708.22

Finding the Fourth Proportional to 3,034.40, 4,187.70 and 1,708.22

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Solution

The fourth proportional to 3,034.40, 4,187.70 and 1,708.22 is: 2,357.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,034.40 : 4,187.70 = 1,708.22 : x
  2. Step 2: Convert to fraction form
    3,034.40/4,187.70 = 1,708.22/x
  3. Step 3: Cross multiply
    3,034.40x = 4,187.70 × 1,708.22
  4. Step 4: Simplify right side
    3,034.40x = 7,153,523.36
  5. Step 5: Solve for x
    x = 7,153,523.36/3,034.40
  6. Step 6: Final answer
    x = 2,357.48

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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.