Home / 6,553.41-9,042.29-3,900.30

Finding the Fourth Proportional to 6,553.41, 9,042.29 and 3,900.30

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Solution

The fourth proportional to 6,553.41, 9,042.29 and 3,900.30 is: 5,381.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,553.41 : 9,042.29 = 3,900.30 : x
  2. Step 2: Convert to fraction form
    6,553.41/9,042.29 = 3,900.30/x
  3. Step 3: Cross multiply
    6,553.41x = 9,042.29 × 3,900.30
  4. Step 4: Simplify right side
    6,553.41x = 35,267,624.19
  5. Step 5: Solve for x
    x = 35,267,624.19/6,553.41
  6. Step 6: Final answer
    x = 5,381.57

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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.