Home / 5,725.75-8,589.85-1,776.92

Finding the Fourth Proportional to 5,725.75, 8,589.85 and 1,776.92

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Solution

The fourth proportional to 5,725.75, 8,589.85 and 1,776.92 is: 2,665.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,725.75 : 8,589.85 = 1,776.92 : x
  2. Step 2: Convert to fraction form
    5,725.75/8,589.85 = 1,776.92/x
  3. Step 3: Cross multiply
    5,725.75x = 8,589.85 × 1,776.92
  4. Step 4: Simplify right side
    5,725.75x = 15,263,476.26
  5. Step 5: Solve for x
    x = 15,263,476.26/5,725.75
  6. Step 6: Final answer
    x = 2,665.76

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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.