Home / 5,250.81-7,247.07-3,012.68

Finding the Fourth Proportional to 5,250.81, 7,247.07 and 3,012.68

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Solution

The fourth proportional to 5,250.81, 7,247.07 and 3,012.68 is: 4,158.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250.81 : 7,247.07 = 3,012.68 : x
  2. Step 2: Convert to fraction form
    5,250.81/7,247.07 = 3,012.68/x
  3. Step 3: Cross multiply
    5,250.81x = 7,247.07 × 3,012.68
  4. Step 4: Simplify right side
    5,250.81x = 21,833,102.85
  5. Step 5: Solve for x
    x = 21,833,102.85/5,250.81
  6. Step 6: Final answer
    x = 4,158.04

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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.