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Finding the Fourth Proportional to 5,893.91, 8,130.89 and 5,222.40

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Solution

The fourth proportional to 5,893.91, 8,130.89 and 5,222.40 is: 7,204.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,893.91 : 8,130.89 = 5,222.40 : x
  2. Step 2: Convert to fraction form
    5,893.91/8,130.89 = 5,222.40/x
  3. Step 3: Cross multiply
    5,893.91x = 8,130.89 × 5,222.40
  4. Step 4: Simplify right side
    5,893.91x = 42,462,759.94
  5. Step 5: Solve for x
    x = 42,462,759.94/5,893.91
  6. Step 6: Final answer
    x = 7,204.51

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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.