Home / 5,621.73-7,758.04-3,103.95

Finding the Fourth Proportional to 5,621.73, 7,758.04 and 3,103.95

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Solution

The fourth proportional to 5,621.73, 7,758.04 and 3,103.95 is: 4,283.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,621.73 : 7,758.04 = 3,103.95 : x
  2. Step 2: Convert to fraction form
    5,621.73/7,758.04 = 3,103.95/x
  3. Step 3: Cross multiply
    5,621.73x = 7,758.04 × 3,103.95
  4. Step 4: Simplify right side
    5,621.73x = 24,080,534.32
  5. Step 5: Solve for x
    x = 24,080,534.32/5,621.73
  6. Step 6: Final answer
    x = 4,283.47

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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.