Home / 2,296.13-3,168.66-1,248.21

Finding the Fourth Proportional to 2,296.13, 3,168.66 and 1,248.21

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Solution

The fourth proportional to 2,296.13, 3,168.66 and 1,248.21 is: 1,722.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,296.13 : 3,168.66 = 1,248.21 : x
  2. Step 2: Convert to fraction form
    2,296.13/3,168.66 = 1,248.21/x
  3. Step 3: Cross multiply
    2,296.13x = 3,168.66 × 1,248.21
  4. Step 4: Simplify right side
    2,296.13x = 3,955,153.10
  5. Step 5: Solve for x
    x = 3,955,153.10/2,296.13
  6. Step 6: Final answer
    x = 1,722.53

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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.