Home / 4,921.92-6,790.32-2,824.92

Finding the Fourth Proportional to 4,921.92, 6,790.32 and 2,824.92

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Solution

The fourth proportional to 4,921.92, 6,790.32 and 2,824.92 is: 3,897.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921.92 : 6,790.32 = 2,824.92 : x
  2. Step 2: Convert to fraction form
    4,921.92/6,790.32 = 2,824.92/x
  3. Step 3: Cross multiply
    4,921.92x = 6,790.32 × 2,824.92
  4. Step 4: Simplify right side
    4,921.92x = 19,182,110.77
  5. Step 5: Solve for x
    x = 19,182,110.77/4,921.92
  6. Step 6: Final answer
    x = 3,897.28

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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.