Home / 5,775.12-8,664.72-3,001.68

Finding the Fourth Proportional to 5,775.12, 8,664.72 and 3,001.68

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Solution

The fourth proportional to 5,775.12, 8,664.72 and 3,001.68 is: 4,503.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,775.12 : 8,664.72 = 3,001.68 : x
  2. Step 2: Convert to fraction form
    5,775.12/8,664.72 = 3,001.68/x
  3. Step 3: Cross multiply
    5,775.12x = 8,664.72 × 3,001.68
  4. Step 4: Simplify right side
    5,775.12x = 26,008,716.73
  5. Step 5: Solve for x
    x = 26,008,716.73/5,775.12
  6. Step 6: Final answer
    x = 4,503.58

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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.