Home / 4,722.92-7,083.36-1,948.87

Finding the Fourth Proportional to 4,722.92, 7,083.36 and 1,948.87

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Solution

The fourth proportional to 4,722.92, 7,083.36 and 1,948.87 is: 2,922.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,722.92 : 7,083.36 = 1,948.87 : x
  2. Step 2: Convert to fraction form
    4,722.92/7,083.36 = 1,948.87/x
  3. Step 3: Cross multiply
    4,722.92x = 7,083.36 × 1,948.87
  4. Step 4: Simplify right side
    4,722.92x = 13,804,547.80
  5. Step 5: Solve for x
    x = 13,804,547.80/4,722.92
  6. Step 6: Final answer
    x = 2,922.88

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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.