Home / 3,897.48-5,369.40-2,716.44

Finding the Fourth Proportional to 3,897.48, 5,369.40 and 2,716.44

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Solution

The fourth proportional to 3,897.48, 5,369.40 and 2,716.44 is: 3,742.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,897.48 : 5,369.40 = 2,716.44 : x
  2. Step 2: Convert to fraction form
    3,897.48/5,369.40 = 2,716.44/x
  3. Step 3: Cross multiply
    3,897.48x = 5,369.40 × 2,716.44
  4. Step 4: Simplify right side
    3,897.48x = 14,585,652.94
  5. Step 5: Solve for x
    x = 14,585,652.94/3,897.48
  6. Step 6: Final answer
    x = 3,742.33

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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.