Home / 5,922.78-8,889.55-3,151.77

Finding the Fourth Proportional to 5,922.78, 8,889.55 and 3,151.77

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Solution

The fourth proportional to 5,922.78, 8,889.55 and 3,151.77 is: 4,730.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,922.78 : 8,889.55 = 3,151.77 : x
  2. Step 2: Convert to fraction form
    5,922.78/8,889.55 = 3,151.77/x
  3. Step 3: Cross multiply
    5,922.78x = 8,889.55 × 3,151.77
  4. Step 4: Simplify right side
    5,922.78x = 28,017,809.12
  5. Step 5: Solve for x
    x = 28,017,809.12/5,922.78
  6. Step 6: Final answer
    x = 4,730.52

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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.