Home / 5,049.77-6,967.85-2,811.59

Finding the Fourth Proportional to 5,049.77, 6,967.85 and 2,811.59

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Solution

The fourth proportional to 5,049.77, 6,967.85 and 2,811.59 is: 3,879.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,049.77 : 6,967.85 = 2,811.59 : x
  2. Step 2: Convert to fraction form
    5,049.77/6,967.85 = 2,811.59/x
  3. Step 3: Cross multiply
    5,049.77x = 6,967.85 × 2,811.59
  4. Step 4: Simplify right side
    5,049.77x = 19,590,688.48
  5. Step 5: Solve for x
    x = 19,590,688.48/5,049.77
  6. Step 6: Final answer
    x = 3,879.52

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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.