Home / 4,242.21-5,847.44-3,356.34

Finding the Fourth Proportional to 4,242.21, 5,847.44 and 3,356.34

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Solution

The fourth proportional to 4,242.21, 5,847.44 and 3,356.34 is: 4,626.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,242.21 : 5,847.44 = 3,356.34 : x
  2. Step 2: Convert to fraction form
    4,242.21/5,847.44 = 3,356.34/x
  3. Step 3: Cross multiply
    4,242.21x = 5,847.44 × 3,356.34
  4. Step 4: Simplify right side
    4,242.21x = 19,625,979.99
  5. Step 5: Solve for x
    x = 19,625,979.99/4,242.21
  6. Step 6: Final answer
    x = 4,626.36

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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.