Home / 5,169.88-7,754.82-1,707.13

Finding the Fourth Proportional to 5,169.88, 7,754.82 and 1,707.13

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Solution

The fourth proportional to 5,169.88, 7,754.82 and 1,707.13 is: 2,560.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,169.88 : 7,754.82 = 1,707.13 : x
  2. Step 2: Convert to fraction form
    5,169.88/7,754.82 = 1,707.13/x
  3. Step 3: Cross multiply
    5,169.88x = 7,754.82 × 1,707.13
  4. Step 4: Simplify right side
    5,169.88x = 13,238,485.87
  5. Step 5: Solve for x
    x = 13,238,485.87/5,169.88
  6. Step 6: Final answer
    x = 2,560.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.