Home / 2,449.20-3,376.08-1,857.36

Finding the Fourth Proportional to 2,449.20, 3,376.08 and 1,857.36

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Solution

The fourth proportional to 2,449.20, 3,376.08 and 1,857.36 is: 2,560.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,449.20 : 3,376.08 = 1,857.36 : x
  2. Step 2: Convert to fraction form
    2,449.20/3,376.08 = 1,857.36/x
  3. Step 3: Cross multiply
    2,449.20x = 3,376.08 × 1,857.36
  4. Step 4: Simplify right side
    2,449.20x = 6,270,595.95
  5. Step 5: Solve for x
    x = 6,270,595.95/2,449.20
  6. Step 6: Final answer
    x = 2,560.26

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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.