Home / 5,491.36-8,236.76-1,793.10

Finding the Fourth Proportional to 5,491.36, 8,236.76 and 1,793.10

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Solution

The fourth proportional to 5,491.36, 8,236.76 and 1,793.10 is: 2,689.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,491.36 : 8,236.76 = 1,793.10 : x
  2. Step 2: Convert to fraction form
    5,491.36/8,236.76 = 1,793.10/x
  3. Step 3: Cross multiply
    5,491.36x = 8,236.76 × 1,793.10
  4. Step 4: Simplify right side
    5,491.36x = 14,769,334.36
  5. Step 5: Solve for x
    x = 14,769,334.36/5,491.36
  6. Step 6: Final answer
    x = 2,689.56

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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.