Home / 5,329.19-7,993.86-1,631.46

Finding the Fourth Proportional to 5,329.19, 7,993.86 and 1,631.46

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Solution

The fourth proportional to 5,329.19, 7,993.86 and 1,631.46 is: 2,447.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,329.19 : 7,993.86 = 1,631.46 : x
  2. Step 2: Convert to fraction form
    5,329.19/7,993.86 = 1,631.46/x
  3. Step 3: Cross multiply
    5,329.19x = 7,993.86 × 1,631.46
  4. Step 4: Simplify right side
    5,329.19x = 13,041,641.73
  5. Step 5: Solve for x
    x = 13,041,641.73/5,329.19
  6. Step 6: Final answer
    x = 2,447.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.