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Finding the Fourth Proportional to 5,011.87, 6,913.16 and 3,440.83

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Solution

The fourth proportional to 5,011.87, 6,913.16 and 3,440.83 is: 4,746.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011.87 : 6,913.16 = 3,440.83 : x
  2. Step 2: Convert to fraction form
    5,011.87/6,913.16 = 3,440.83/x
  3. Step 3: Cross multiply
    5,011.87x = 6,913.16 × 3,440.83
  4. Step 4: Simplify right side
    5,011.87x = 23,786,991.12
  5. Step 5: Solve for x
    x = 23,786,991.12/5,011.87
  6. Step 6: Final answer
    x = 4,746.13

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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.