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Finding the Fourth Proportional to 5,892.90, 8,129.48 and 3,530.94

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Solution

The fourth proportional to 5,892.90, 8,129.48 and 3,530.94 is: 4,871.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,892.90 : 8,129.48 = 3,530.94 : x
  2. Step 2: Convert to fraction form
    5,892.90/8,129.48 = 3,530.94/x
  3. Step 3: Cross multiply
    5,892.90x = 8,129.48 × 3,530.94
  4. Step 4: Simplify right side
    5,892.90x = 28,704,688.46
  5. Step 5: Solve for x
    x = 28,704,688.46/5,892.90
  6. Step 6: Final answer
    x = 4,871.06

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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.