Home / 3,035.32-4,550.68-1,187.76

Finding the Fourth Proportional to 3,035.32, 4,550.68 and 1,187.76

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Solution

The fourth proportional to 3,035.32, 4,550.68 and 1,187.76 is: 1,780.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,035.32 : 4,550.68 = 1,187.76 : x
  2. Step 2: Convert to fraction form
    3,035.32/4,550.68 = 1,187.76/x
  3. Step 3: Cross multiply
    3,035.32x = 4,550.68 × 1,187.76
  4. Step 4: Simplify right side
    3,035.32x = 5,405,115.68
  5. Step 5: Solve for x
    x = 5,405,115.68/3,035.32
  6. Step 6: Final answer
    x = 1,780.74

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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.