Home / 6,501.88-8,972.34-3,669.40

Finding the Fourth Proportional to 6,501.88, 8,972.34 and 3,669.40

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Solution

The fourth proportional to 6,501.88, 8,972.34 and 3,669.40 is: 5,063.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,501.88 : 8,972.34 = 3,669.40 : x
  2. Step 2: Convert to fraction form
    6,501.88/8,972.34 = 3,669.40/x
  3. Step 3: Cross multiply
    6,501.88x = 8,972.34 × 3,669.40
  4. Step 4: Simplify right side
    6,501.88x = 32,923,104.40
  5. Step 5: Solve for x
    x = 32,923,104.40/6,501.88
  6. Step 6: Final answer
    x = 5,063.63

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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.