Home / 2,360.40-3,261.24-1,772.88

Finding the Fourth Proportional to 2,360.40, 3,261.24 and 1,772.88

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Solution

The fourth proportional to 2,360.40, 3,261.24 and 1,772.88 is: 2,449.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,360.40 : 3,261.24 = 1,772.88 : x
  2. Step 2: Convert to fraction form
    2,360.40/3,261.24 = 1,772.88/x
  3. Step 3: Cross multiply
    2,360.40x = 3,261.24 × 1,772.88
  4. Step 4: Simplify right side
    2,360.40x = 5,781,787.17
  5. Step 5: Solve for x
    x = 5,781,787.17/2,360.40
  6. Step 6: Final answer
    x = 2,449.49

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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.