Home / 4,886.16-6,743.34-2,790.96

Finding the Fourth Proportional to 4,886.16, 6,743.34 and 2,790.96

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Solution

The fourth proportional to 4,886.16, 6,743.34 and 2,790.96 is: 3,851.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886.16 : 6,743.34 = 2,790.96 : x
  2. Step 2: Convert to fraction form
    4,886.16/6,743.34 = 2,790.96/x
  3. Step 3: Cross multiply
    4,886.16x = 6,743.34 × 2,790.96
  4. Step 4: Simplify right side
    4,886.16x = 18,820,392.21
  5. Step 5: Solve for x
    x = 18,820,392.21/4,886.16
  6. Step 6: Final answer
    x = 3,851.78

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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.