Home / 5,065.22-6,990.62-2,969.36

Finding the Fourth Proportional to 5,065.22, 6,990.62 and 2,969.36

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Solution

The fourth proportional to 5,065.22, 6,990.62 and 2,969.36 is: 4,098.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,065.22 : 6,990.62 = 2,969.36 : x
  2. Step 2: Convert to fraction form
    5,065.22/6,990.62 = 2,969.36/x
  3. Step 3: Cross multiply
    5,065.22x = 6,990.62 × 2,969.36
  4. Step 4: Simplify right side
    5,065.22x = 20,757,667.40
  5. Step 5: Solve for x
    x = 20,757,667.40/5,065.22
  6. Step 6: Final answer
    x = 4,098.08

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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.