Home / 5,530.26-7,631.67-3,172.26

Finding the Fourth Proportional to 5,530.26, 7,631.67 and 3,172.26

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Solution

The fourth proportional to 5,530.26, 7,631.67 and 3,172.26 is: 4,377.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,530.26 : 7,631.67 = 3,172.26 : x
  2. Step 2: Convert to fraction form
    5,530.26/7,631.67 = 3,172.26/x
  3. Step 3: Cross multiply
    5,530.26x = 7,631.67 × 3,172.26
  4. Step 4: Simplify right side
    5,530.26x = 24,209,641.47
  5. Step 5: Solve for x
    x = 24,209,641.47/5,530.26
  6. Step 6: Final answer
    x = 4,377.67

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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.