Home / 5,750.02-7,930.39-3,861.03

Finding the Fourth Proportional to 5,750.02, 7,930.39 and 3,861.03

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Solution

The fourth proportional to 5,750.02, 7,930.39 and 3,861.03 is: 5,325.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,750.02 : 7,930.39 = 3,861.03 : x
  2. Step 2: Convert to fraction form
    5,750.02/7,930.39 = 3,861.03/x
  3. Step 3: Cross multiply
    5,750.02x = 7,930.39 × 3,861.03
  4. Step 4: Simplify right side
    5,750.02x = 30,619,473.70
  5. Step 5: Solve for x
    x = 30,619,473.70/5,750.02
  6. Step 6: Final answer
    x = 5,325.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.