Home / 2,422.74-3,342.15-1,537.14

Finding the Fourth Proportional to 2,422.74, 3,342.15 and 1,537.14

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Solution

The fourth proportional to 2,422.74, 3,342.15 and 1,537.14 is: 2,120.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,422.74 : 3,342.15 = 1,537.14 : x
  2. Step 2: Convert to fraction form
    2,422.74/3,342.15 = 1,537.14/x
  3. Step 3: Cross multiply
    2,422.74x = 3,342.15 × 1,537.14
  4. Step 4: Simplify right side
    2,422.74x = 5,137,352.45
  5. Step 5: Solve for x
    x = 5,137,352.45/2,422.74
  6. Step 6: Final answer
    x = 2,120.47

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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.