Home / 5,747.10-8,616.55-2,782.35

Finding the Fourth Proportional to 5,747.10, 8,616.55 and 2,782.35

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Solution

The fourth proportional to 5,747.10, 8,616.55 and 2,782.35 is: 4,171.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,747.10 : 8,616.55 = 2,782.35 : x
  2. Step 2: Convert to fraction form
    5,747.10/8,616.55 = 2,782.35/x
  3. Step 3: Cross multiply
    5,747.10x = 8,616.55 × 2,782.35
  4. Step 4: Simplify right side
    5,747.10x = 23,974,263.98
  5. Step 5: Solve for x
    x = 23,974,263.98/5,747.10
  6. Step 6: Final answer
    x = 4,171.54

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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.