Home / 5,729.05-8,585.47-2,438.83

Finding the Fourth Proportional to 5,729.05, 8,585.47 and 2,438.83

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Solution

The fourth proportional to 5,729.05, 8,585.47 and 2,438.83 is: 3,654.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,729.05 : 8,585.47 = 2,438.83 : x
  2. Step 2: Convert to fraction form
    5,729.05/8,585.47 = 2,438.83/x
  3. Step 3: Cross multiply
    5,729.05x = 8,585.47 × 2,438.83
  4. Step 4: Simplify right side
    5,729.05x = 20,938,501.80
  5. Step 5: Solve for x
    x = 20,938,501.80/5,729.05
  6. Step 6: Final answer
    x = 3,654.79

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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.