Home / 5,610.18-7,739.52-3,815.46

Finding the Fourth Proportional to 5,610.18, 7,739.52 and 3,815.46

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Solution

The fourth proportional to 5,610.18, 7,739.52 and 3,815.46 is: 5,263.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,610.18 : 7,739.52 = 3,815.46 : x
  2. Step 2: Convert to fraction form
    5,610.18/7,739.52 = 3,815.46/x
  3. Step 3: Cross multiply
    5,610.18x = 7,739.52 × 3,815.46
  4. Step 4: Simplify right side
    5,610.18x = 29,529,828.98
  5. Step 5: Solve for x
    x = 29,529,828.98/5,610.18
  6. Step 6: Final answer
    x = 5,263.62

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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.