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Finding the Fourth Proportional to 5,610.98, 7,741.76 and 3,485.54

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Solution

The fourth proportional to 5,610.98, 7,741.76 and 3,485.54 is: 4,809.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,610.98 : 7,741.76 = 3,485.54 : x
  2. Step 2: Convert to fraction form
    5,610.98/7,741.76 = 3,485.54/x
  3. Step 3: Cross multiply
    5,610.98x = 7,741.76 × 3,485.54
  4. Step 4: Simplify right side
    5,610.98x = 26,984,214.15
  5. Step 5: Solve for x
    x = 26,984,214.15/5,610.98
  6. Step 6: Final answer
    x = 4,809.18

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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.