Home / 7,153.67-10,732.26-2,223.20

Finding the Fourth Proportional to 7,153.67, 10,732.26 and 2,223.20

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Solution

The fourth proportional to 7,153.67, 10,732.26 and 2,223.20 is: 3,335.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,153.67 : 10,732.26 = 2,223.20 : x
  2. Step 2: Convert to fraction form
    7,153.67/10,732.26 = 2,223.20/x
  3. Step 3: Cross multiply
    7,153.67x = 10,732.26 × 2,223.20
  4. Step 4: Simplify right side
    7,153.67x = 23,859,960.43
  5. Step 5: Solve for x
    x = 23,859,960.43/7,153.67
  6. Step 6: Final answer
    x = 3,335.35

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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.