Home / 4,959.46-7,431.75-2,874.58

Finding the Fourth Proportional to 4,959.46, 7,431.75 and 2,874.58

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Solution

The fourth proportional to 4,959.46, 7,431.75 and 2,874.58 is: 4,307.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,959.46 : 7,431.75 = 2,874.58 : x
  2. Step 2: Convert to fraction form
    4,959.46/7,431.75 = 2,874.58/x
  3. Step 3: Cross multiply
    4,959.46x = 7,431.75 × 2,874.58
  4. Step 4: Simplify right side
    4,959.46x = 21,363,159.92
  5. Step 5: Solve for x
    x = 21,363,159.92/4,959.46
  6. Step 6: Final answer
    x = 4,307.56

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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.