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Finding the Fourth Proportional to 3,011.94, 4,156.20 and 1,752.94

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Solution

The fourth proportional to 3,011.94, 4,156.20 and 1,752.94 is: 2,418.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,011.94 : 4,156.20 = 1,752.94 : x
  2. Step 2: Convert to fraction form
    3,011.94/4,156.20 = 1,752.94/x
  3. Step 3: Cross multiply
    3,011.94x = 4,156.20 × 1,752.94
  4. Step 4: Simplify right side
    3,011.94x = 7,285,569.23
  5. Step 5: Solve for x
    x = 7,285,569.23/3,011.94
  6. Step 6: Final answer
    x = 2,418.90

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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.