Home / 7,587.12-11,381.43-2,040.51

Finding the Fourth Proportional to 7,587.12, 11,381.43 and 2,040.51

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Solution

The fourth proportional to 7,587.12, 11,381.43 and 2,040.51 is: 3,060.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,587.12 : 11,381.43 = 2,040.51 : x
  2. Step 2: Convert to fraction form
    7,587.12/11,381.43 = 2,040.51/x
  3. Step 3: Cross multiply
    7,587.12x = 11,381.43 × 2,040.51
  4. Step 4: Simplify right side
    7,587.12x = 23,223,921.73
  5. Step 5: Solve for x
    x = 23,223,921.73/7,587.12
  6. Step 6: Final answer
    x = 3,060.97

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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.