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Finding the Fourth Proportional to 3,570.92, 4,927.63 and 2,078.59

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Solution

The fourth proportional to 3,570.92, 4,927.63 and 2,078.59 is: 2,868.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570.92 : 4,927.63 = 2,078.59 : x
  2. Step 2: Convert to fraction form
    3,570.92/4,927.63 = 2,078.59/x
  3. Step 3: Cross multiply
    3,570.92x = 4,927.63 × 2,078.59
  4. Step 4: Simplify right side
    3,570.92x = 10,242,522.44
  5. Step 5: Solve for x
    x = 10,242,522.44/3,570.92
  6. Step 6: Final answer
    x = 2,868.31

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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.