Home / 5,396.38-7,445.18-3,271.34

Finding the Fourth Proportional to 5,396.38, 7,445.18 and 3,271.34

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Solution

The fourth proportional to 5,396.38, 7,445.18 and 3,271.34 is: 4,513.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,396.38 : 7,445.18 = 3,271.34 : x
  2. Step 2: Convert to fraction form
    5,396.38/7,445.18 = 3,271.34/x
  3. Step 3: Cross multiply
    5,396.38x = 7,445.18 × 3,271.34
  4. Step 4: Simplify right side
    5,396.38x = 24,355,715.14
  5. Step 5: Solve for x
    x = 24,355,715.14/5,396.38
  6. Step 6: Final answer
    x = 4,513.34

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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.