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Finding the Fourth Proportional to 3,508.91, 4,838.91 and 2,710.95

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Solution

The fourth proportional to 3,508.91, 4,838.91 and 2,710.95 is: 3,738.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,508.91 : 4,838.91 = 2,710.95 : x
  2. Step 2: Convert to fraction form
    3,508.91/4,838.91 = 2,710.95/x
  3. Step 3: Cross multiply
    3,508.91x = 4,838.91 × 2,710.95
  4. Step 4: Simplify right side
    3,508.91x = 13,118,043.06
  5. Step 5: Solve for x
    x = 13,118,043.06/3,508.91
  6. Step 6: Final answer
    x = 3,738.50

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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.