Home / 3,012.08-4,518.12-1,472

Finding the Fourth Proportional to 3,012.08, 4,518.12 and 1,472

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Solution

The fourth proportional to 3,012.08, 4,518.12 and 1,472 is: 2,208

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.08 : 4,518.12 = 1,472 : x
  2. Step 2: Convert to fraction form
    3,012.08/4,518.12 = 1,472/x
  3. Step 3: Cross multiply
    3,012.08x = 4,518.12 × 1,472
  4. Step 4: Simplify right side
    3,012.08x = 6,650,672.64
  5. Step 5: Solve for x
    x = 6,650,672.64/3,012.08
  6. Step 6: Final answer
    x = 2,208

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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.