Home / 3,815.48-5,261.28-2,396.36

Finding the Fourth Proportional to 3,815.48, 5,261.28 and 2,396.36

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Solution

The fourth proportional to 3,815.48, 5,261.28 and 2,396.36 is: 3,304.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.48 : 5,261.28 = 2,396.36 : x
  2. Step 2: Convert to fraction form
    3,815.48/5,261.28 = 2,396.36/x
  3. Step 3: Cross multiply
    3,815.48x = 5,261.28 × 2,396.36
  4. Step 4: Simplify right side
    3,815.48x = 12,607,920.94
  5. Step 5: Solve for x
    x = 12,607,920.94/3,815.48
  6. Step 6: Final answer
    x = 3,304.41

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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.