Home / 6,550.35-9,040.23-3,897.76

Finding the Fourth Proportional to 6,550.35, 9,040.23 and 3,897.76

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Solution

The fourth proportional to 6,550.35, 9,040.23 and 3,897.76 is: 5,379.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,550.35 : 9,040.23 = 3,897.76 : x
  2. Step 2: Convert to fraction form
    6,550.35/9,040.23 = 3,897.76/x
  3. Step 3: Cross multiply
    6,550.35x = 9,040.23 × 3,897.76
  4. Step 4: Simplify right side
    6,550.35x = 35,236,614.82
  5. Step 5: Solve for x
    x = 35,236,614.82/6,550.35
  6. Step 6: Final answer
    x = 5,379.35

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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.