Home / 5,009.63-7,515.13-2,087.25

Finding the Fourth Proportional to 5,009.63, 7,515.13 and 2,087.25

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Solution

The fourth proportional to 5,009.63, 7,515.13 and 2,087.25 is: 3,131.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,009.63 : 7,515.13 = 2,087.25 : x
  2. Step 2: Convert to fraction form
    5,009.63/7,515.13 = 2,087.25/x
  3. Step 3: Cross multiply
    5,009.63x = 7,515.13 × 2,087.25
  4. Step 4: Simplify right side
    5,009.63x = 15,685,949.87
  5. Step 5: Solve for x
    x = 15,685,949.87/5,009.63
  6. Step 6: Final answer
    x = 3,131.16

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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.