Home / 2,412.38-3,327.03-1,854.20

Finding the Fourth Proportional to 2,412.38, 3,327.03 and 1,854.20

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Solution

The fourth proportional to 2,412.38, 3,327.03 and 1,854.20 is: 2,557.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,412.38 : 3,327.03 = 1,854.20 : x
  2. Step 2: Convert to fraction form
    2,412.38/3,327.03 = 1,854.20/x
  3. Step 3: Cross multiply
    2,412.38x = 3,327.03 × 1,854.20
  4. Step 4: Simplify right side
    2,412.38x = 6,168,979.03
  5. Step 5: Solve for x
    x = 6,168,979.03/2,412.38
  6. Step 6: Final answer
    x = 2,557.22

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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.