Home / 2,713.06-4,065.90-1,411.84

Finding the Fourth Proportional to 2,713.06, 4,065.90 and 1,411.84

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Solution

The fourth proportional to 2,713.06, 4,065.90 and 1,411.84 is: 2,115.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,713.06 : 4,065.90 = 1,411.84 : x
  2. Step 2: Convert to fraction form
    2,713.06/4,065.90 = 1,411.84/x
  3. Step 3: Cross multiply
    2,713.06x = 4,065.90 × 1,411.84
  4. Step 4: Simplify right side
    2,713.06x = 5,740,400.26
  5. Step 5: Solve for x
    x = 5,740,400.26/2,713.06
  6. Step 6: Final answer
    x = 2,115.84

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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.