Home / 6,587.70-9,872.73-3,621.69

Finding the Fourth Proportional to 6,587.70, 9,872.73 and 3,621.69

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Solution

The fourth proportional to 6,587.70, 9,872.73 and 3,621.69 is: 5,427.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,587.70 : 9,872.73 = 3,621.69 : x
  2. Step 2: Convert to fraction form
    6,587.70/9,872.73 = 3,621.69/x
  3. Step 3: Cross multiply
    6,587.70x = 9,872.73 × 3,621.69
  4. Step 4: Simplify right side
    6,587.70x = 35,755,967.51
  5. Step 5: Solve for x
    x = 35,755,967.51/6,587.70
  6. Step 6: Final answer
    x = 5,427.69

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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.