Home / 2,445.22-3,374.31-1,326.13

Finding the Fourth Proportional to 2,445.22, 3,374.31 and 1,326.13

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Solution

The fourth proportional to 2,445.22, 3,374.31 and 1,326.13 is: 1,830.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,445.22 : 3,374.31 = 1,326.13 : x
  2. Step 2: Convert to fraction form
    2,445.22/3,374.31 = 1,326.13/x
  3. Step 3: Cross multiply
    2,445.22x = 3,374.31 × 1,326.13
  4. Step 4: Simplify right side
    2,445.22x = 4,474,781.78
  5. Step 5: Solve for x
    x = 4,474,781.78/2,445.22
  6. Step 6: Final answer
    x = 1,830.02

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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.