Home / 2,296.17-3,168.63-1,248.21

Finding the Fourth Proportional to 2,296.17, 3,168.63 and 1,248.21

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Solution

The fourth proportional to 2,296.17, 3,168.63 and 1,248.21 is: 1,722.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,296.17 : 3,168.63 = 1,248.21 : x
  2. Step 2: Convert to fraction form
    2,296.17/3,168.63 = 1,248.21/x
  3. Step 3: Cross multiply
    2,296.17x = 3,168.63 × 1,248.21
  4. Step 4: Simplify right side
    2,296.17x = 3,955,115.65
  5. Step 5: Solve for x
    x = 3,955,115.65/2,296.17
  6. Step 6: Final answer
    x = 1,722.48

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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.