Home / 2,516.44-3,472.90-1,397.48

Finding the Fourth Proportional to 2,516.44, 3,472.90 and 1,397.48

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Solution

The fourth proportional to 2,516.44, 3,472.90 and 1,397.48 is: 1,928.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,516.44 : 3,472.90 = 1,397.48 : x
  2. Step 2: Convert to fraction form
    2,516.44/3,472.90 = 1,397.48/x
  3. Step 3: Cross multiply
    2,516.44x = 3,472.90 × 1,397.48
  4. Step 4: Simplify right side
    2,516.44x = 4,853,308.29
  5. Step 5: Solve for x
    x = 4,853,308.29/2,516.44
  6. Step 6: Final answer
    x = 1,928.64

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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.