Home / 2,296.21-3,168.75-1,248.25

Finding the Fourth Proportional to 2,296.21, 3,168.75 and 1,248.25

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Solution

The fourth proportional to 2,296.21, 3,168.75 and 1,248.25 is: 1,722.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,296.21 : 3,168.75 = 1,248.25 : x
  2. Step 2: Convert to fraction form
    2,296.21/3,168.75 = 1,248.25/x
  3. Step 3: Cross multiply
    2,296.21x = 3,168.75 × 1,248.25
  4. Step 4: Simplify right side
    2,296.21x = 3,955,392.19
  5. Step 5: Solve for x
    x = 3,955,392.19/2,296.21
  6. Step 6: Final answer
    x = 1,722.57

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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.