Home / 5,621.88-7,758.30-3,104.10

Finding the Fourth Proportional to 5,621.88, 7,758.30 and 3,104.10

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Solution

The fourth proportional to 5,621.88, 7,758.30 and 3,104.10 is: 4,283.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,621.88 : 7,758.30 = 3,104.10 : x
  2. Step 2: Convert to fraction form
    5,621.88/7,758.30 = 3,104.10/x
  3. Step 3: Cross multiply
    5,621.88x = 7,758.30 × 3,104.10
  4. Step 4: Simplify right side
    5,621.88x = 24,082,539.03
  5. Step 5: Solve for x
    x = 24,082,539.03/5,621.88
  6. Step 6: Final answer
    x = 4,283.72

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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.