Home / 4,682.20-7,022.04-1,870.91

Finding the Fourth Proportional to 4,682.20, 7,022.04 and 1,870.91

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Solution

The fourth proportional to 4,682.20, 7,022.04 and 1,870.91 is: 2,805.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,682.20 : 7,022.04 = 1,870.91 : x
  2. Step 2: Convert to fraction form
    4,682.20/7,022.04 = 1,870.91/x
  3. Step 3: Cross multiply
    4,682.20x = 7,022.04 × 1,870.91
  4. Step 4: Simplify right side
    4,682.20x = 13,137,596.08
  5. Step 5: Solve for x
    x = 13,137,596.08/4,682.20
  6. Step 6: Final answer
    x = 2,805.86

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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.