Home / 5,713.52-7,888.56-3,701.78

Finding the Fourth Proportional to 5,713.52, 7,888.56 and 3,701.78

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Solution

The fourth proportional to 5,713.52, 7,888.56 and 3,701.78 is: 5,110.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,713.52 : 7,888.56 = 3,701.78 : x
  2. Step 2: Convert to fraction form
    5,713.52/7,888.56 = 3,701.78/x
  3. Step 3: Cross multiply
    5,713.52x = 7,888.56 × 3,701.78
  4. Step 4: Simplify right side
    5,713.52x = 29,201,713.64
  5. Step 5: Solve for x
    x = 29,201,713.64/5,713.52
  6. Step 6: Final answer
    x = 5,110.98

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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.