Home / 4,143.90-6,210.17-2,192.21

Finding the Fourth Proportional to 4,143.90, 6,210.17 and 2,192.21

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Solution

The fourth proportional to 4,143.90, 6,210.17 and 2,192.21 is: 3,285.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,143.90 : 6,210.17 = 2,192.21 : x
  2. Step 2: Convert to fraction form
    4,143.90/6,210.17 = 2,192.21/x
  3. Step 3: Cross multiply
    4,143.90x = 6,210.17 × 2,192.21
  4. Step 4: Simplify right side
    4,143.90x = 13,613,996.78
  5. Step 5: Solve for x
    x = 13,613,996.78/4,143.90
  6. Step 6: Final answer
    x = 3,285.31

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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.