Home / 5,113.20-7,053.91-3,223.47

Finding the Fourth Proportional to 5,113.20, 7,053.91 and 3,223.47

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Solution

The fourth proportional to 5,113.20, 7,053.91 and 3,223.47 is: 4,446.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.20 : 7,053.91 = 3,223.47 : x
  2. Step 2: Convert to fraction form
    5,113.20/7,053.91 = 3,223.47/x
  3. Step 3: Cross multiply
    5,113.20x = 7,053.91 × 3,223.47
  4. Step 4: Simplify right side
    5,113.20x = 22,738,059.21
  5. Step 5: Solve for x
    x = 22,738,059.21/5,113.20
  6. Step 6: Final answer
    x = 4,446.93

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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.