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Finding the Fourth Proportional to 5,261.88, 7,893.06 and 1,973.88

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Solution

The fourth proportional to 5,261.88, 7,893.06 and 1,973.88 is: 2,960.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.88 : 7,893.06 = 1,973.88 : x
  2. Step 2: Convert to fraction form
    5,261.88/7,893.06 = 1,973.88/x
  3. Step 3: Cross multiply
    5,261.88x = 7,893.06 × 1,973.88
  4. Step 4: Simplify right side
    5,261.88x = 15,579,953.27
  5. Step 5: Solve for x
    x = 15,579,953.27/5,261.88
  6. Step 6: Final answer
    x = 2,960.91

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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.