Home / 5,207.40-7,184.94-3,218.04

Finding the Fourth Proportional to 5,207.40, 7,184.94 and 3,218.04

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Solution

The fourth proportional to 5,207.40, 7,184.94 and 3,218.04 is: 4,440.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,207.40 : 7,184.94 = 3,218.04 : x
  2. Step 2: Convert to fraction form
    5,207.40/7,184.94 = 3,218.04/x
  3. Step 3: Cross multiply
    5,207.40x = 7,184.94 × 3,218.04
  4. Step 4: Simplify right side
    5,207.40x = 23,121,424.32
  5. Step 5: Solve for x
    x = 23,121,424.32/5,207.40
  6. Step 6: Final answer
    x = 4,440.11

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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.