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Finding the Fourth Proportional to 4,127.99, 6,191.99 and 1,461.56

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Solution

The fourth proportional to 4,127.99, 6,191.99 and 1,461.56 is: 2,192.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.99 : 6,191.99 = 1,461.56 : x
  2. Step 2: Convert to fraction form
    4,127.99/6,191.99 = 1,461.56/x
  3. Step 3: Cross multiply
    4,127.99x = 6,191.99 × 1,461.56
  4. Step 4: Simplify right side
    4,127.99x = 9,049,957.60
  5. Step 5: Solve for x
    x = 9,049,957.60/4,127.99
  6. Step 6: Final answer
    x = 2,192.34

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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.