Home / 3,013.61-4,520.55-933.83

Finding the Fourth Proportional to 3,013.61, 4,520.55 and 933.83

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Solution

The fourth proportional to 3,013.61, 4,520.55 and 933.83 is: 1,400.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013.61 : 4,520.55 = 933.83 : x
  2. Step 2: Convert to fraction form
    3,013.61/4,520.55 = 933.83/x
  3. Step 3: Cross multiply
    3,013.61x = 4,520.55 × 933.83
  4. Step 4: Simplify right side
    3,013.61x = 4,221,402.60
  5. Step 5: Solve for x
    x = 4,221,402.60/3,013.61
  6. Step 6: Final answer
    x = 1,400.78

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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.