Home / 2,417.16-3,335.60-1,422.43

Finding the Fourth Proportional to 2,417.16, 3,335.60 and 1,422.43

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Solution

The fourth proportional to 2,417.16, 3,335.60 and 1,422.43 is: 1,962.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,417.16 : 3,335.60 = 1,422.43 : x
  2. Step 2: Convert to fraction form
    2,417.16/3,335.60 = 1,422.43/x
  3. Step 3: Cross multiply
    2,417.16x = 3,335.60 × 1,422.43
  4. Step 4: Simplify right side
    2,417.16x = 4,744,652.73
  5. Step 5: Solve for x
    x = 4,744,652.73/2,417.16
  6. Step 6: Final answer
    x = 1,962.90

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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.