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Finding the Fourth Proportional to 2,904.13, 4,006.98 and 1,724.98

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Solution

The fourth proportional to 2,904.13, 4,006.98 and 1,724.98 is: 2,380.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904.13 : 4,006.98 = 1,724.98 : x
  2. Step 2: Convert to fraction form
    2,904.13/4,006.98 = 1,724.98/x
  3. Step 3: Cross multiply
    2,904.13x = 4,006.98 × 1,724.98
  4. Step 4: Simplify right side
    2,904.13x = 6,911,960.36
  5. Step 5: Solve for x
    x = 6,911,960.36/2,904.13
  6. Step 6: Final answer
    x = 2,380.05

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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.