Home / 3,895.36-5,374.42-2,216.53

Finding the Fourth Proportional to 3,895.36, 5,374.42 and 2,216.53

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Solution

The fourth proportional to 3,895.36, 5,374.42 and 2,216.53 is: 3,058.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895.36 : 5,374.42 = 2,216.53 : x
  2. Step 2: Convert to fraction form
    3,895.36/5,374.42 = 2,216.53/x
  3. Step 3: Cross multiply
    3,895.36x = 5,374.42 × 2,216.53
  4. Step 4: Simplify right side
    3,895.36x = 11,912,563.16
  5. Step 5: Solve for x
    x = 11,912,563.16/3,895.36
  6. Step 6: Final answer
    x = 3,058.14

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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.