Home / 4,947.18-6,815.24-3,821.18

Finding the Fourth Proportional to 4,947.18, 6,815.24 and 3,821.18

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Solution

The fourth proportional to 4,947.18, 6,815.24 and 3,821.18 is: 5,264.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.18 : 6,815.24 = 3,821.18 : x
  2. Step 2: Convert to fraction form
    4,947.18/6,815.24 = 3,821.18/x
  3. Step 3: Cross multiply
    4,947.18x = 6,815.24 × 3,821.18
  4. Step 4: Simplify right side
    4,947.18x = 26,042,219.93
  5. Step 5: Solve for x
    x = 26,042,219.93/4,947.18
  6. Step 6: Final answer
    x = 5,264.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.