Home / 5,620.55-7,756.27-3,068.28

Finding the Fourth Proportional to 5,620.55, 7,756.27 and 3,068.28

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Solution

The fourth proportional to 5,620.55, 7,756.27 and 3,068.28 is: 4,234.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620.55 : 7,756.27 = 3,068.28 : x
  2. Step 2: Convert to fraction form
    5,620.55/7,756.27 = 3,068.28/x
  3. Step 3: Cross multiply
    5,620.55x = 7,756.27 × 3,068.28
  4. Step 4: Simplify right side
    5,620.55x = 23,798,400.44
  5. Step 5: Solve for x
    x = 23,798,400.44/5,620.55
  6. Step 6: Final answer
    x = 4,234.18

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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.