Home / 2,349.22-3,521.08-1,308.72

Finding the Fourth Proportional to 2,349.22, 3,521.08 and 1,308.72

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Solution

The fourth proportional to 2,349.22, 3,521.08 and 1,308.72 is: 1,961.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,349.22 : 3,521.08 = 1,308.72 : x
  2. Step 2: Convert to fraction form
    2,349.22/3,521.08 = 1,308.72/x
  3. Step 3: Cross multiply
    2,349.22x = 3,521.08 × 1,308.72
  4. Step 4: Simplify right side
    2,349.22x = 4,608,107.82
  5. Step 5: Solve for x
    x = 4,608,107.82/2,349.22
  6. Step 6: Final answer
    x = 1,961.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.