Home / 5,927.81-8,172.99-3,799.85

Finding the Fourth Proportional to 5,927.81, 8,172.99 and 3,799.85

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Solution

The fourth proportional to 5,927.81, 8,172.99 and 3,799.85 is: 5,239.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,927.81 : 8,172.99 = 3,799.85 : x
  2. Step 2: Convert to fraction form
    5,927.81/8,172.99 = 3,799.85/x
  3. Step 3: Cross multiply
    5,927.81x = 8,172.99 × 3,799.85
  4. Step 4: Simplify right side
    5,927.81x = 31,056,095.19
  5. Step 5: Solve for x
    x = 31,056,095.19/5,927.81
  6. Step 6: Final answer
    x = 5,239.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.