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Finding the Fourth Proportional to 5,651.03, 7,790.76 and 4,765.29

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Solution

The fourth proportional to 5,651.03, 7,790.76 and 4,765.29 is: 6,569.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,651.03 : 7,790.76 = 4,765.29 : x
  2. Step 2: Convert to fraction form
    5,651.03/7,790.76 = 4,765.29/x
  3. Step 3: Cross multiply
    5,651.03x = 7,790.76 × 4,765.29
  4. Step 4: Simplify right side
    5,651.03x = 37,125,230.72
  5. Step 5: Solve for x
    x = 37,125,230.72/5,651.03
  6. Step 6: Final answer
    x = 6,569.65

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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.