Home / 5,065.27-6,990.74-2,969.59

Finding the Fourth Proportional to 5,065.27, 6,990.74 and 2,969.59

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Solution

The fourth proportional to 5,065.27, 6,990.74 and 2,969.59 is: 4,098.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,065.27 : 6,990.74 = 2,969.59 : x
  2. Step 2: Convert to fraction form
    5,065.27/6,990.74 = 2,969.59/x
  3. Step 3: Cross multiply
    5,065.27x = 6,990.74 × 2,969.59
  4. Step 4: Simplify right side
    5,065.27x = 20,759,616.75
  5. Step 5: Solve for x
    x = 20,759,616.75/5,065.27
  6. Step 6: Final answer
    x = 4,098.42

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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.