Home / 5,610.60-8,416.14-1,912.68

Finding the Fourth Proportional to 5,610.60, 8,416.14 and 1,912.68

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Solution

The fourth proportional to 5,610.60, 8,416.14 and 1,912.68 is: 2,869.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,610.60 : 8,416.14 = 1,912.68 : x
  2. Step 2: Convert to fraction form
    5,610.60/8,416.14 = 1,912.68/x
  3. Step 3: Cross multiply
    5,610.60x = 8,416.14 × 1,912.68
  4. Step 4: Simplify right side
    5,610.60x = 16,097,382.66
  5. Step 5: Solve for x
    x = 16,097,382.66/5,610.60
  6. Step 6: Final answer
    x = 2,869.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.