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Finding the Fourth Proportional to 2,502.09, 3,452.86 and 1,383

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Solution

The fourth proportional to 2,502.09, 3,452.86 and 1,383 is: 1,908.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,502.09 : 3,452.86 = 1,383 : x
  2. Step 2: Convert to fraction form
    2,502.09/3,452.86 = 1,383/x
  3. Step 3: Cross multiply
    2,502.09x = 3,452.86 × 1,383
  4. Step 4: Simplify right side
    2,502.09x = 4,775,301.92
  5. Step 5: Solve for x
    x = 4,775,301.92/2,502.09
  6. Step 6: Final answer
    x = 1,908.53

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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.