Home / 4,168.83-5,743.25-2,907.64

Finding the Fourth Proportional to 4,168.83, 5,743.25 and 2,907.64

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Solution

The fourth proportional to 4,168.83, 5,743.25 and 2,907.64 is: 4,005.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,168.83 : 5,743.25 = 2,907.64 : x
  2. Step 2: Convert to fraction form
    4,168.83/5,743.25 = 2,907.64/x
  3. Step 3: Cross multiply
    4,168.83x = 5,743.25 × 2,907.64
  4. Step 4: Simplify right side
    4,168.83x = 16,699,294.91
  5. Step 5: Solve for x
    x = 16,699,294.91/4,168.83
  6. Step 6: Final answer
    x = 4,005.75

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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.