Home / 3,468.16-5,199.36-1,618.32

Finding the Fourth Proportional to 3,468.16, 5,199.36 and 1,618.32

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Solution

The fourth proportional to 3,468.16, 5,199.36 and 1,618.32 is: 2,426.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,468.16 : 5,199.36 = 1,618.32 : x
  2. Step 2: Convert to fraction form
    3,468.16/5,199.36 = 1,618.32/x
  3. Step 3: Cross multiply
    3,468.16x = 5,199.36 × 1,618.32
  4. Step 4: Simplify right side
    3,468.16x = 8,414,228.28
  5. Step 5: Solve for x
    x = 8,414,228.28/3,468.16
  6. Step 6: Final answer
    x = 2,426.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.