Home / 2,865.36-3,946.92-2,024.58

Finding the Fourth Proportional to 2,865.36, 3,946.92 and 2,024.58

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Solution

The fourth proportional to 2,865.36, 3,946.92 and 2,024.58 is: 2,788.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865.36 : 3,946.92 = 2,024.58 : x
  2. Step 2: Convert to fraction form
    2,865.36/3,946.92 = 2,024.58/x
  3. Step 3: Cross multiply
    2,865.36x = 3,946.92 × 2,024.58
  4. Step 4: Simplify right side
    2,865.36x = 7,990,855.29
  5. Step 5: Solve for x
    x = 7,990,855.29/2,865.36
  6. Step 6: Final answer
    x = 2,788.78

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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.