Home / 5,748.87-8,620.59-2,240.55

Finding the Fourth Proportional to 5,748.87, 8,620.59 and 2,240.55

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Solution

The fourth proportional to 5,748.87, 8,620.59 and 2,240.55 is: 3,359.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,748.87 : 8,620.59 = 2,240.55 : x
  2. Step 2: Convert to fraction form
    5,748.87/8,620.59 = 2,240.55/x
  3. Step 3: Cross multiply
    5,748.87x = 8,620.59 × 2,240.55
  4. Step 4: Simplify right side
    5,748.87x = 19,314,862.92
  5. Step 5: Solve for x
    x = 19,314,862.92/5,748.87
  6. Step 6: Final answer
    x = 3,359.77

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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.