Home / 2,763.06-3,811.10-1,877.33

Finding the Fourth Proportional to 2,763.06, 3,811.10 and 1,877.33

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Solution

The fourth proportional to 2,763.06, 3,811.10 and 1,877.33 is: 2,589.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,763.06 : 3,811.10 = 1,877.33 : x
  2. Step 2: Convert to fraction form
    2,763.06/3,811.10 = 1,877.33/x
  3. Step 3: Cross multiply
    2,763.06x = 3,811.10 × 1,877.33
  4. Step 4: Simplify right side
    2,763.06x = 7,154,663.92
  5. Step 5: Solve for x
    x = 7,154,663.92/2,763.06
  6. Step 6: Final answer
    x = 2,589.40

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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.