Home / 5,772.22-8,658.84-4,231.40

Finding the Fourth Proportional to 5,772.22, 8,658.84 and 4,231.40

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Solution

The fourth proportional to 5,772.22, 8,658.84 and 4,231.40 is: 6,347.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,772.22 : 8,658.84 = 4,231.40 : x
  2. Step 2: Convert to fraction form
    5,772.22/8,658.84 = 4,231.40/x
  3. Step 3: Cross multiply
    5,772.22x = 8,658.84 × 4,231.40
  4. Step 4: Simplify right side
    5,772.22x = 36,639,015.58
  5. Step 5: Solve for x
    x = 36,639,015.58/5,772.22
  6. Step 6: Final answer
    x = 6,347.47

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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.