Home / 5,216.26-7,823.55-1,930.90

Finding the Fourth Proportional to 5,216.26, 7,823.55 and 1,930.90

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Solution

The fourth proportional to 5,216.26, 7,823.55 and 1,930.90 is: 2,896.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,216.26 : 7,823.55 = 1,930.90 : x
  2. Step 2: Convert to fraction form
    5,216.26/7,823.55 = 1,930.90/x
  3. Step 3: Cross multiply
    5,216.26x = 7,823.55 × 1,930.90
  4. Step 4: Simplify right side
    5,216.26x = 15,106,492.70
  5. Step 5: Solve for x
    x = 15,106,492.70/5,216.26
  6. Step 6: Final answer
    x = 2,896.04

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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.