Home / 4,118.79-5,686.55-2,704.98

Finding the Fourth Proportional to 4,118.79, 5,686.55 and 2,704.98

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Solution

The fourth proportional to 4,118.79, 5,686.55 and 2,704.98 is: 3,734.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,118.79 : 5,686.55 = 2,704.98 : x
  2. Step 2: Convert to fraction form
    4,118.79/5,686.55 = 2,704.98/x
  3. Step 3: Cross multiply
    4,118.79x = 5,686.55 × 2,704.98
  4. Step 4: Simplify right side
    4,118.79x = 15,381,990.49
  5. Step 5: Solve for x
    x = 15,381,990.49/4,118.79
  6. Step 6: Final answer
    x = 3,734.59

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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.