Home / 2,207.76-3,296.88-2,095.44

Finding the Fourth Proportional to 2,207.76, 3,296.88 and 2,095.44

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Solution

The fourth proportional to 2,207.76, 3,296.88 and 2,095.44 is: 3,129.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207.76 : 3,296.88 = 2,095.44 : x
  2. Step 2: Convert to fraction form
    2,207.76/3,296.88 = 2,095.44/x
  3. Step 3: Cross multiply
    2,207.76x = 3,296.88 × 2,095.44
  4. Step 4: Simplify right side
    2,207.76x = 6,908,414.23
  5. Step 5: Solve for x
    x = 6,908,414.23/2,207.76
  6. Step 6: Final answer
    x = 3,129.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.