Home / 5,712.12-8,573.04-4,072.68

Finding the Fourth Proportional to 5,712.12, 8,573.04 and 4,072.68

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Solution

The fourth proportional to 5,712.12, 8,573.04 and 4,072.68 is: 6,112.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,712.12 : 8,573.04 = 4,072.68 : x
  2. Step 2: Convert to fraction form
    5,712.12/8,573.04 = 4,072.68/x
  3. Step 3: Cross multiply
    5,712.12x = 8,573.04 × 4,072.68
  4. Step 4: Simplify right side
    5,712.12x = 34,915,248.55
  5. Step 5: Solve for x
    x = 34,915,248.55/5,712.12
  6. Step 6: Final answer
    x = 6,112.49

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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.