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Finding the Fourth Proportional to 2,703.60, 3,730.97 and 1,508.58

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Solution

The fourth proportional to 2,703.60, 3,730.97 and 1,508.58 is: 2,081.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,703.60 : 3,730.97 = 1,508.58 : x
  2. Step 2: Convert to fraction form
    2,703.60/3,730.97 = 1,508.58/x
  3. Step 3: Cross multiply
    2,703.60x = 3,730.97 × 1,508.58
  4. Step 4: Simplify right side
    2,703.60x = 5,628,456.50
  5. Step 5: Solve for x
    x = 5,628,456.50/2,703.60
  6. Step 6: Final answer
    x = 2,081.84

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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.