Home / 4,704.42-6,491.60-2,815.62

Finding the Fourth Proportional to 4,704.42, 6,491.60 and 2,815.62

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Solution

The fourth proportional to 4,704.42, 6,491.60 and 2,815.62 is: 3,885.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,704.42 : 6,491.60 = 2,815.62 : x
  2. Step 2: Convert to fraction form
    4,704.42/6,491.60 = 2,815.62/x
  3. Step 3: Cross multiply
    4,704.42x = 6,491.60 × 2,815.62
  4. Step 4: Simplify right side
    4,704.42x = 18,277,878.79
  5. Step 5: Solve for x
    x = 18,277,878.79/4,704.42
  6. Step 6: Final answer
    x = 3,885.26

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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.