Home / 4,677.24-7,012.62-2,078.76

Finding the Fourth Proportional to 4,677.24, 7,012.62 and 2,078.76

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Solution

The fourth proportional to 4,677.24, 7,012.62 and 2,078.76 is: 3,116.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,677.24 : 7,012.62 = 2,078.76 : x
  2. Step 2: Convert to fraction form
    4,677.24/7,012.62 = 2,078.76/x
  3. Step 3: Cross multiply
    4,677.24x = 7,012.62 × 2,078.76
  4. Step 4: Simplify right side
    4,677.24x = 14,577,553.95
  5. Step 5: Solve for x
    x = 14,577,553.95/4,677.24
  6. Step 6: Final answer
    x = 3,116.70

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1.5x scale

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.