Home / 5,919.63-8,168.77-3,681.44

Finding the Fourth Proportional to 5,919.63, 8,168.77 and 3,681.44

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Solution

The fourth proportional to 5,919.63, 8,168.77 and 3,681.44 is: 5,080.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.63 : 8,168.77 = 3,681.44 : x
  2. Step 2: Convert to fraction form
    5,919.63/8,168.77 = 3,681.44/x
  3. Step 3: Cross multiply
    5,919.63x = 8,168.77 × 3,681.44
  4. Step 4: Simplify right side
    5,919.63x = 30,072,861.65
  5. Step 5: Solve for x
    x = 30,072,861.65/5,919.63
  6. Step 6: Final answer
    x = 5,080.19

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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.