Home / 4,780.42-7,166.22-2,586.58

Finding the Fourth Proportional to 4,780.42, 7,166.22 and 2,586.58

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Solution

The fourth proportional to 4,780.42, 7,166.22 and 2,586.58 is: 3,877.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,780.42 : 7,166.22 = 2,586.58 : x
  2. Step 2: Convert to fraction form
    4,780.42/7,166.22 = 2,586.58/x
  3. Step 3: Cross multiply
    4,780.42x = 7,166.22 × 2,586.58
  4. Step 4: Simplify right side
    4,780.42x = 18,536,001.33
  5. Step 5: Solve for x
    x = 18,536,001.33/4,780.42
  6. Step 6: Final answer
    x = 3,877.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.