Home / 2,813.19-3,881.01-1,927.45

Finding the Fourth Proportional to 2,813.19, 3,881.01 and 1,927.45

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Solution

The fourth proportional to 2,813.19, 3,881.01 and 1,927.45 is: 2,659.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,813.19 : 3,881.01 = 1,927.45 : x
  2. Step 2: Convert to fraction form
    2,813.19/3,881.01 = 1,927.45/x
  3. Step 3: Cross multiply
    2,813.19x = 3,881.01 × 1,927.45
  4. Step 4: Simplify right side
    2,813.19x = 7,480,452.72
  5. Step 5: Solve for x
    x = 7,480,452.72/2,813.19
  6. Step 6: Final answer
    x = 2,659.06

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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.