Home / 5,775.50-8,665.99-2,489.54

Finding the Fourth Proportional to 5,775.50, 8,665.99 and 2,489.54

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Solution

The fourth proportional to 5,775.50, 8,665.99 and 2,489.54 is: 3,735.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,775.50 : 8,665.99 = 2,489.54 : x
  2. Step 2: Convert to fraction form
    5,775.50/8,665.99 = 2,489.54/x
  3. Step 3: Cross multiply
    5,775.50x = 8,665.99 × 2,489.54
  4. Step 4: Simplify right side
    5,775.50x = 21,574,279.19
  5. Step 5: Solve for x
    x = 21,574,279.19/5,775.50
  6. Step 6: Final answer
    x = 3,735.48

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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.