Home / 7,767.14-10,719.88-4,625.15

Finding the Fourth Proportional to 7,767.14, 10,719.88 and 4,625.15

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Solution

The fourth proportional to 7,767.14, 10,719.88 and 4,625.15 is: 6,383.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,767.14 : 10,719.88 = 4,625.15 : x
  2. Step 2: Convert to fraction form
    7,767.14/10,719.88 = 4,625.15/x
  3. Step 3: Cross multiply
    7,767.14x = 10,719.88 × 4,625.15
  4. Step 4: Simplify right side
    7,767.14x = 49,580,987.82
  5. Step 5: Solve for x
    x = 49,580,987.82/7,767.14
  6. Step 6: Final answer
    x = 6,383.43

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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.