Home / 5,890.78-8,121.73-4,824.62

Finding the Fourth Proportional to 5,890.78, 8,121.73 and 4,824.62

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Solution

The fourth proportional to 5,890.78, 8,121.73 and 4,824.62 is: 6,651.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,890.78 : 8,121.73 = 4,824.62 : x
  2. Step 2: Convert to fraction form
    5,890.78/8,121.73 = 4,824.62/x
  3. Step 3: Cross multiply
    5,890.78x = 8,121.73 × 4,824.62
  4. Step 4: Simplify right side
    5,890.78x = 39,184,260.99
  5. Step 5: Solve for x
    x = 39,184,260.99/5,890.78
  6. Step 6: Final answer
    x = 6,651.80

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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.