Home / 5,191.30-7,786.73-2,417.02

Finding the Fourth Proportional to 5,191.30, 7,786.73 and 2,417.02

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Solution

The fourth proportional to 5,191.30, 7,786.73 and 2,417.02 is: 3,625.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191.30 : 7,786.73 = 2,417.02 : x
  2. Step 2: Convert to fraction form
    5,191.30/7,786.73 = 2,417.02/x
  3. Step 3: Cross multiply
    5,191.30x = 7,786.73 × 2,417.02
  4. Step 4: Simplify right side
    5,191.30x = 18,820,682.14
  5. Step 5: Solve for x
    x = 18,820,682.14/5,191.30
  6. Step 6: Final answer
    x = 3,625.43

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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.