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Finding the Fourth Proportional to 5,893.90, 8,130.85 and 3,531.94

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Solution

The fourth proportional to 5,893.90, 8,130.85 and 3,531.94 is: 4,872.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,893.90 : 8,130.85 = 3,531.94 : x
  2. Step 2: Convert to fraction form
    5,893.90/8,130.85 = 3,531.94/x
  3. Step 3: Cross multiply
    5,893.90x = 8,130.85 × 3,531.94
  4. Step 4: Simplify right side
    5,893.90x = 28,717,674.35
  5. Step 5: Solve for x
    x = 28,717,674.35/5,893.90
  6. Step 6: Final answer
    x = 4,872.44

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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.