Home / 5,269.19-7,272.96-3,144.05

Finding the Fourth Proportional to 5,269.19, 7,272.96 and 3,144.05

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Solution

The fourth proportional to 5,269.19, 7,272.96 and 3,144.05 is: 4,339.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.19 : 7,272.96 = 3,144.05 : x
  2. Step 2: Convert to fraction form
    5,269.19/7,272.96 = 3,144.05/x
  3. Step 3: Cross multiply
    5,269.19x = 7,272.96 × 3,144.05
  4. Step 4: Simplify right side
    5,269.19x = 22,866,529.01
  5. Step 5: Solve for x
    x = 22,866,529.01/5,269.19
  6. Step 6: Final answer
    x = 4,339.67

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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.