Home / 5,330.12-7,995.83-2,861.55

Finding the Fourth Proportional to 5,330.12, 7,995.83 and 2,861.55

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Solution

The fourth proportional to 5,330.12, 7,995.83 and 2,861.55 is: 4,292.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.12 : 7,995.83 = 2,861.55 : x
  2. Step 2: Convert to fraction form
    5,330.12/7,995.83 = 2,861.55/x
  3. Step 3: Cross multiply
    5,330.12x = 7,995.83 × 2,861.55
  4. Step 4: Simplify right side
    5,330.12x = 22,880,453.03
  5. Step 5: Solve for x
    x = 22,880,453.03/5,330.12
  6. Step 6: Final answer
    x = 4,292.68

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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.