Home / 7,135.62-10,700.77-2,454.30

Finding the Fourth Proportional to 7,135.62, 10,700.77 and 2,454.30

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Solution

The fourth proportional to 7,135.62, 10,700.77 and 2,454.30 is: 3,680.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135.62 : 10,700.77 = 2,454.30 : x
  2. Step 2: Convert to fraction form
    7,135.62/10,700.77 = 2,454.30/x
  3. Step 3: Cross multiply
    7,135.62x = 10,700.77 × 2,454.30
  4. Step 4: Simplify right side
    7,135.62x = 26,262,933.80
  5. Step 5: Solve for x
    x = 26,262,933.80/7,135.62
  6. Step 6: Final answer
    x = 3,680.54

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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.