Home / 2,425.97-3,347.07-1,431.59

Finding the Fourth Proportional to 2,425.97, 3,347.07 and 1,431.59

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Solution

The fourth proportional to 2,425.97, 3,347.07 and 1,431.59 is: 1,975.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,425.97 : 3,347.07 = 1,431.59 : x
  2. Step 2: Convert to fraction form
    2,425.97/3,347.07 = 1,431.59/x
  3. Step 3: Cross multiply
    2,425.97x = 3,347.07 × 1,431.59
  4. Step 4: Simplify right side
    2,425.97x = 4,791,631.94
  5. Step 5: Solve for x
    x = 4,791,631.94/2,425.97
  6. Step 6: Final answer
    x = 1,975.14

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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.