Home / 5,205.81-7,182.26-2,966.10

Finding the Fourth Proportional to 5,205.81, 7,182.26 and 2,966.10

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Solution

The fourth proportional to 5,205.81, 7,182.26 and 2,966.10 is: 4,092.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,205.81 : 7,182.26 = 2,966.10 : x
  2. Step 2: Convert to fraction form
    5,205.81/7,182.26 = 2,966.10/x
  3. Step 3: Cross multiply
    5,205.81x = 7,182.26 × 2,966.10
  4. Step 4: Simplify right side
    5,205.81x = 21,303,286.56
  5. Step 5: Solve for x
    x = 21,303,286.56/5,205.81
  6. Step 6: Final answer
    x = 4,092.21

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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.