Home / 4,805.20-6,631.02-2,942.20

Finding the Fourth Proportional to 4,805.20, 6,631.02 and 2,942.20

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Solution

The fourth proportional to 4,805.20, 6,631.02 and 2,942.20 is: 4,060.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,805.20 : 6,631.02 = 2,942.20 : x
  2. Step 2: Convert to fraction form
    4,805.20/6,631.02 = 2,942.20/x
  3. Step 3: Cross multiply
    4,805.20x = 6,631.02 × 2,942.20
  4. Step 4: Simplify right side
    4,805.20x = 19,509,787.04
  5. Step 5: Solve for x
    x = 19,509,787.04/4,805.20
  6. Step 6: Final answer
    x = 4,060.14

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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.