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Finding the Fourth Proportional to 5,610.81, 7,739.37 and 4,014.30

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Solution

The fourth proportional to 5,610.81, 7,739.37 and 4,014.30 is: 5,537.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,610.81 : 7,739.37 = 4,014.30 : x
  2. Step 2: Convert to fraction form
    5,610.81/7,739.37 = 4,014.30/x
  3. Step 3: Cross multiply
    5,610.81x = 7,739.37 × 4,014.30
  4. Step 4: Simplify right side
    5,610.81x = 31,068,152.99
  5. Step 5: Solve for x
    x = 31,068,152.99/5,610.81
  6. Step 6: Final answer
    x = 5,537.20

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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.