Home / 2,324.36-3,207.60-1,276.40

Finding the Fourth Proportional to 2,324.36, 3,207.60 and 1,276.40

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Solution

The fourth proportional to 2,324.36, 3,207.60 and 1,276.40 is: 1,761.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,324.36 : 3,207.60 = 1,276.40 : x
  2. Step 2: Convert to fraction form
    2,324.36/3,207.60 = 1,276.40/x
  3. Step 3: Cross multiply
    2,324.36x = 3,207.60 × 1,276.40
  4. Step 4: Simplify right side
    2,324.36x = 4,094,180.64
  5. Step 5: Solve for x
    x = 4,094,180.64/2,324.36
  6. Step 6: Final answer
    x = 1,761.42

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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.