Home / 2,348.26-3,240.75-1,353.76

Finding the Fourth Proportional to 2,348.26, 3,240.75 and 1,353.76

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Solution

The fourth proportional to 2,348.26, 3,240.75 and 1,353.76 is: 1,868.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,348.26 : 3,240.75 = 1,353.76 : x
  2. Step 2: Convert to fraction form
    2,348.26/3,240.75 = 1,353.76/x
  3. Step 3: Cross multiply
    2,348.26x = 3,240.75 × 1,353.76
  4. Step 4: Simplify right side
    2,348.26x = 4,387,197.72
  5. Step 5: Solve for x
    x = 4,387,197.72/2,348.26
  6. Step 6: Final answer
    x = 1,868.28

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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.