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Finding the Fourth Proportional to 2,917.10, 4,374.99 and 837.07

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Solution

The fourth proportional to 2,917.10, 4,374.99 and 837.07 is: 1,255.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.10 : 4,374.99 = 837.07 : x
  2. Step 2: Convert to fraction form
    2,917.10/4,374.99 = 837.07/x
  3. Step 3: Cross multiply
    2,917.10x = 4,374.99 × 837.07
  4. Step 4: Simplify right side
    2,917.10x = 3,662,172.88
  5. Step 5: Solve for x
    x = 3,662,172.88/2,917.10
  6. Step 6: Final answer
    x = 1,255.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.