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Finding the Fourth Proportional to 3,507.71, 4,841.02 and 2,015.99

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Solution

The fourth proportional to 3,507.71, 4,841.02 and 2,015.99 is: 2,782.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.71 : 4,841.02 = 2,015.99 : x
  2. Step 2: Convert to fraction form
    3,507.71/4,841.02 = 2,015.99/x
  3. Step 3: Cross multiply
    3,507.71x = 4,841.02 × 2,015.99
  4. Step 4: Simplify right side
    3,507.71x = 9,759,433.04
  5. Step 5: Solve for x
    x = 9,759,433.04/3,507.71
  6. Step 6: Final answer
    x = 2,782.28

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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.