Home / 5,250.72-7,246.20-3,012.56

Finding the Fourth Proportional to 5,250.72, 7,246.20 and 3,012.56

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Solution

The fourth proportional to 5,250.72, 7,246.20 and 3,012.56 is: 4,157.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250.72 : 7,246.20 = 3,012.56 : x
  2. Step 2: Convert to fraction form
    5,250.72/7,246.20 = 3,012.56/x
  3. Step 3: Cross multiply
    5,250.72x = 7,246.20 × 3,012.56
  4. Step 4: Simplify right side
    5,250.72x = 21,829,612.27
  5. Step 5: Solve for x
    x = 21,829,612.27/5,250.72
  6. Step 6: Final answer
    x = 4,157.45

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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.