Home / 5,809.66-8,020.64-3,825.98

Finding the Fourth Proportional to 5,809.66, 8,020.64 and 3,825.98

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Solution

The fourth proportional to 5,809.66, 8,020.64 and 3,825.98 is: 5,282.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,809.66 : 8,020.64 = 3,825.98 : x
  2. Step 2: Convert to fraction form
    5,809.66/8,020.64 = 3,825.98/x
  3. Step 3: Cross multiply
    5,809.66x = 8,020.64 × 3,825.98
  4. Step 4: Simplify right side
    5,809.66x = 30,686,808.23
  5. Step 5: Solve for x
    x = 30,686,808.23/5,809.66
  6. Step 6: Final answer
    x = 5,282.03

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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.