Home / 5,811.02-8,016.12-3,682.79

Finding the Fourth Proportional to 5,811.02, 8,016.12 and 3,682.79

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Solution

The fourth proportional to 5,811.02, 8,016.12 and 3,682.79 is: 5,080.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,811.02 : 8,016.12 = 3,682.79 : x
  2. Step 2: Convert to fraction form
    5,811.02/8,016.12 = 3,682.79/x
  3. Step 3: Cross multiply
    5,811.02x = 8,016.12 × 3,682.79
  4. Step 4: Simplify right side
    5,811.02x = 29,521,686.57
  5. Step 5: Solve for x
    x = 29,521,686.57/5,811.02
  6. Step 6: Final answer
    x = 5,080.29

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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.