Home / 2,838.82-3,916.66-1,719.40

Finding the Fourth Proportional to 2,838.82, 3,916.66 and 1,719.40

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Solution

The fourth proportional to 2,838.82, 3,916.66 and 1,719.40 is: 2,372.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838.82 : 3,916.66 = 1,719.40 : x
  2. Step 2: Convert to fraction form
    2,838.82/3,916.66 = 1,719.40/x
  3. Step 3: Cross multiply
    2,838.82x = 3,916.66 × 1,719.40
  4. Step 4: Simplify right side
    2,838.82x = 6,734,305.20
  5. Step 5: Solve for x
    x = 6,734,305.20/2,838.82
  6. Step 6: Final answer
    x = 2,372.22

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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.