Home / 7,170.30-10,752.21-2,553.42

Finding the Fourth Proportional to 7,170.30, 10,752.21 and 2,553.42

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Solution

The fourth proportional to 7,170.30, 10,752.21 and 2,553.42 is: 3,828.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,170.30 : 10,752.21 = 2,553.42 : x
  2. Step 2: Convert to fraction form
    7,170.30/10,752.21 = 2,553.42/x
  3. Step 3: Cross multiply
    7,170.30x = 10,752.21 × 2,553.42
  4. Step 4: Simplify right side
    7,170.30x = 27,454,908.06
  5. Step 5: Solve for x
    x = 27,454,908.06/7,170.30
  6. Step 6: Final answer
    x = 3,828.98

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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.