Home / 2,449.16-3,379.82-1,330.08

Finding the Fourth Proportional to 2,449.16, 3,379.82 and 1,330.08

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Solution

The fourth proportional to 2,449.16, 3,379.82 and 1,330.08 is: 1,835.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,449.16 : 3,379.82 = 1,330.08 : x
  2. Step 2: Convert to fraction form
    2,449.16/3,379.82 = 1,330.08/x
  3. Step 3: Cross multiply
    2,449.16x = 3,379.82 × 1,330.08
  4. Step 4: Simplify right side
    2,449.16x = 4,495,442.00
  5. Step 5: Solve for x
    x = 4,495,442.00/2,449.16
  6. Step 6: Final answer
    x = 1,835.51

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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.