Home / 4,991.55-6,886.82-2,895.27

Finding the Fourth Proportional to 4,991.55, 6,886.82 and 2,895.27

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Solution

The fourth proportional to 4,991.55, 6,886.82 and 2,895.27 is: 3,994.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.55 : 6,886.82 = 2,895.27 : x
  2. Step 2: Convert to fraction form
    4,991.55/6,886.82 = 2,895.27/x
  3. Step 3: Cross multiply
    4,991.55x = 6,886.82 × 2,895.27
  4. Step 4: Simplify right side
    4,991.55x = 19,939,168.91
  5. Step 5: Solve for x
    x = 19,939,168.91/4,991.55
  6. Step 6: Final answer
    x = 3,994.59

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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.