Home / 5,770.38-8,652.47-2,990.15

Finding the Fourth Proportional to 5,770.38, 8,652.47 and 2,990.15

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Solution

The fourth proportional to 5,770.38, 8,652.47 and 2,990.15 is: 4,483.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,770.38 : 8,652.47 = 2,990.15 : x
  2. Step 2: Convert to fraction form
    5,770.38/8,652.47 = 2,990.15/x
  3. Step 3: Cross multiply
    5,770.38x = 8,652.47 × 2,990.15
  4. Step 4: Simplify right side
    5,770.38x = 25,872,183.17
  5. Step 5: Solve for x
    x = 25,872,183.17/5,770.38
  6. Step 6: Final answer
    x = 4,483.62

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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.