Home / 4,911.32-7,366.25-1,790.59

Finding the Fourth Proportional to 4,911.32, 7,366.25 and 1,790.59

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Solution

The fourth proportional to 4,911.32, 7,366.25 and 1,790.59 is: 2,685.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.32 : 7,366.25 = 1,790.59 : x
  2. Step 2: Convert to fraction form
    4,911.32/7,366.25 = 1,790.59/x
  3. Step 3: Cross multiply
    4,911.32x = 7,366.25 × 1,790.59
  4. Step 4: Simplify right side
    4,911.32x = 13,189,967.05
  5. Step 5: Solve for x
    x = 13,189,967.05/4,911.32
  6. Step 6: Final answer
    x = 2,685.63

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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.