Home / 4,815.69-7,209.84-3,167.28

Finding the Fourth Proportional to 4,815.69, 7,209.84 and 3,167.28

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Solution

The fourth proportional to 4,815.69, 7,209.84 and 3,167.28 is: 4,741.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.69 : 7,209.84 = 3,167.28 : x
  2. Step 2: Convert to fraction form
    4,815.69/7,209.84 = 3,167.28/x
  3. Step 3: Cross multiply
    4,815.69x = 7,209.84 × 3,167.28
  4. Step 4: Simplify right side
    4,815.69x = 22,835,582.04
  5. Step 5: Solve for x
    x = 22,835,582.04/4,815.69
  6. Step 6: Final answer
    x = 4,741.91

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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.