Home / 3,125.27-4,688.67-933.99

Finding the Fourth Proportional to 3,125.27, 4,688.67 and 933.99

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Solution

The fourth proportional to 3,125.27, 4,688.67 and 933.99 is: 1,401.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.27 : 4,688.67 = 933.99 : x
  2. Step 2: Convert to fraction form
    3,125.27/4,688.67 = 933.99/x
  3. Step 3: Cross multiply
    3,125.27x = 4,688.67 × 933.99
  4. Step 4: Simplify right side
    3,125.27x = 4,379,170.89
  5. Step 5: Solve for x
    x = 4,379,170.89/3,125.27
  6. Step 6: Final answer
    x = 1,401.21

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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.