Home / 2,425.38-3,347.37-1,755.36

Finding the Fourth Proportional to 2,425.38, 3,347.37 and 1,755.36

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Solution

The fourth proportional to 2,425.38, 3,347.37 and 1,755.36 is: 2,422.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,425.38 : 3,347.37 = 1,755.36 : x
  2. Step 2: Convert to fraction form
    2,425.38/3,347.37 = 1,755.36/x
  3. Step 3: Cross multiply
    2,425.38x = 3,347.37 × 1,755.36
  4. Step 4: Simplify right side
    2,425.38x = 5,875,839.40
  5. Step 5: Solve for x
    x = 5,875,839.40/2,425.38
  6. Step 6: Final answer
    x = 2,422.65

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Half scale
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Double scale
Find fourth proportional to 2,426.38, 3,348.75 and 1,756.36
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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.