Home / 7,377.99-10,181.50-4,020.83

Finding the Fourth Proportional to 7,377.99, 10,181.50 and 4,020.83

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Solution

The fourth proportional to 7,377.99, 10,181.50 and 4,020.83 is: 5,548.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,377.99 : 10,181.50 = 4,020.83 : x
  2. Step 2: Convert to fraction form
    7,377.99/10,181.50 = 4,020.83/x
  3. Step 3: Cross multiply
    7,377.99x = 10,181.50 × 4,020.83
  4. Step 4: Simplify right side
    7,377.99x = 40,938,080.65
  5. Step 5: Solve for x
    x = 40,938,080.65/7,377.99
  6. Step 6: Final answer
    x = 5,548.68

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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.