Home / 7,553.80-10,422.12-4,757.68

Finding the Fourth Proportional to 7,553.80, 10,422.12 and 4,757.68

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Solution

The fourth proportional to 7,553.80, 10,422.12 and 4,757.68 is: 6,564.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,553.80 : 10,422.12 = 4,757.68 : x
  2. Step 2: Convert to fraction form
    7,553.80/10,422.12 = 4,757.68/x
  3. Step 3: Cross multiply
    7,553.80x = 10,422.12 × 4,757.68
  4. Step 4: Simplify right side
    7,553.80x = 49,585,111.88
  5. Step 5: Solve for x
    x = 49,585,111.88/7,553.80
  6. Step 6: Final answer
    x = 6,564.26

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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.