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Finding the Fourth Proportional to 5,774.01, 8,661.03 and 1,391.46

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Solution

The fourth proportional to 5,774.01, 8,661.03 and 1,391.46 is: 2,087.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,774.01 : 8,661.03 = 1,391.46 : x
  2. Step 2: Convert to fraction form
    5,774.01/8,661.03 = 1,391.46/x
  3. Step 3: Cross multiply
    5,774.01x = 8,661.03 × 1,391.46
  4. Step 4: Simplify right side
    5,774.01x = 12,051,476.80
  5. Step 5: Solve for x
    x = 12,051,476.80/5,774.01
  6. Step 6: Final answer
    x = 2,087.19

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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.