Home / 5,452.38-7,531.32-4,208.81

Finding the Fourth Proportional to 5,452.38, 7,531.32 and 4,208.81

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Solution

The fourth proportional to 5,452.38, 7,531.32 and 4,208.81 is: 5,813.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,452.38 : 7,531.32 = 4,208.81 : x
  2. Step 2: Convert to fraction form
    5,452.38/7,531.32 = 4,208.81/x
  3. Step 3: Cross multiply
    5,452.38x = 7,531.32 × 4,208.81
  4. Step 4: Simplify right side
    5,452.38x = 31,697,857.27
  5. Step 5: Solve for x
    x = 31,697,857.27/5,452.38
  6. Step 6: Final answer
    x = 5,813.58

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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.