Home / 4,682.61-7,017.84-2,218.19

Finding the Fourth Proportional to 4,682.61, 7,017.84 and 2,218.19

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Solution

The fourth proportional to 4,682.61, 7,017.84 and 2,218.19 is: 3,324.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,682.61 : 7,017.84 = 2,218.19 : x
  2. Step 2: Convert to fraction form
    4,682.61/7,017.84 = 2,218.19/x
  3. Step 3: Cross multiply
    4,682.61x = 7,017.84 × 2,218.19
  4. Step 4: Simplify right side
    4,682.61x = 15,566,867.42
  5. Step 5: Solve for x
    x = 15,566,867.42/4,682.61
  6. Step 6: Final answer
    x = 3,324.40

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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.