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Finding the Fourth Proportional to 3,705.63, 5,113.98 and 2,026.98

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Solution

The fourth proportional to 3,705.63, 5,113.98 and 2,026.98 is: 2,797.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705.63 : 5,113.98 = 2,026.98 : x
  2. Step 2: Convert to fraction form
    3,705.63/5,113.98 = 2,026.98/x
  3. Step 3: Cross multiply
    3,705.63x = 5,113.98 × 2,026.98
  4. Step 4: Simplify right side
    3,705.63x = 10,365,935.18
  5. Step 5: Solve for x
    x = 10,365,935.18/3,705.63
  6. Step 6: Final answer
    x = 2,797.35

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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.