Home / 4,632-6,948.78-1,511.12

Finding the Fourth Proportional to 4,632, 6,948.78 and 1,511.12

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Solution

The fourth proportional to 4,632, 6,948.78 and 1,511.12 is: 2,266.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,632 : 6,948.78 = 1,511.12 : x
  2. Step 2: Convert to fraction form
    4,632/6,948.78 = 1,511.12/x
  3. Step 3: Cross multiply
    4,632x = 6,948.78 × 1,511.12
  4. Step 4: Simplify right side
    4,632x = 10,500,440.43
  5. Step 5: Solve for x
    x = 10,500,440.43/4,632
  6. Step 6: Final answer
    x = 2,266.93

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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.