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Finding the Fourth Proportional to 5,656.77, 7,806.43 and 3,104.74

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Solution

The fourth proportional to 5,656.77, 7,806.43 and 3,104.74 is: 4,284.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,656.77 : 7,806.43 = 3,104.74 : x
  2. Step 2: Convert to fraction form
    5,656.77/7,806.43 = 3,104.74/x
  3. Step 3: Cross multiply
    5,656.77x = 7,806.43 × 3,104.74
  4. Step 4: Simplify right side
    5,656.77x = 24,236,909.70
  5. Step 5: Solve for x
    x = 24,236,909.70/5,656.77
  6. Step 6: Final answer
    x = 4,284.58

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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.