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Finding the Fourth Proportional to 5,647.24, 7,793.92 and 4,030.91

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Solution

The fourth proportional to 5,647.24, 7,793.92 and 4,030.91 is: 5,563.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,647.24 : 7,793.92 = 4,030.91 : x
  2. Step 2: Convert to fraction form
    5,647.24/7,793.92 = 4,030.91/x
  3. Step 3: Cross multiply
    5,647.24x = 7,793.92 × 4,030.91
  4. Step 4: Simplify right side
    5,647.24x = 31,416,629.20
  5. Step 5: Solve for x
    x = 31,416,629.20/5,647.24
  6. Step 6: Final answer
    x = 5,563.18

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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.