Home / 2,719.13-4,076.82-1,075.86

Finding the Fourth Proportional to 2,719.13, 4,076.82 and 1,075.86

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Solution

The fourth proportional to 2,719.13, 4,076.82 and 1,075.86 is: 1,613.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719.13 : 4,076.82 = 1,075.86 : x
  2. Step 2: Convert to fraction form
    2,719.13/4,076.82 = 1,075.86/x
  3. Step 3: Cross multiply
    2,719.13x = 4,076.82 × 1,075.86
  4. Step 4: Simplify right side
    2,719.13x = 4,386,087.57
  5. Step 5: Solve for x
    x = 4,386,087.57/2,719.13
  6. Step 6: Final answer
    x = 1,613.05

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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.