Home / 3,008.95-4,141.63-2,168.32

Finding the Fourth Proportional to 3,008.95, 4,141.63 and 2,168.32

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Solution

The fourth proportional to 3,008.95, 4,141.63 and 2,168.32 is: 2,984.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,008.95 : 4,141.63 = 2,168.32 : x
  2. Step 2: Convert to fraction form
    3,008.95/4,141.63 = 2,168.32/x
  3. Step 3: Cross multiply
    3,008.95x = 4,141.63 × 2,168.32
  4. Step 4: Simplify right side
    3,008.95x = 8,980,379.28
  5. Step 5: Solve for x
    x = 8,980,379.28/3,008.95
  6. Step 6: Final answer
    x = 2,984.56

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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.