Home / 3,140.10-4,712.44-1,496.60

Finding the Fourth Proportional to 3,140.10, 4,712.44 and 1,496.60

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Solution

The fourth proportional to 3,140.10, 4,712.44 and 1,496.60 is: 2,245.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140.10 : 4,712.44 = 1,496.60 : x
  2. Step 2: Convert to fraction form
    3,140.10/4,712.44 = 1,496.60/x
  3. Step 3: Cross multiply
    3,140.10x = 4,712.44 × 1,496.60
  4. Step 4: Simplify right side
    3,140.10x = 7,052,637.70
  5. Step 5: Solve for x
    x = 7,052,637.70/3,140.10
  6. Step 6: Final answer
    x = 2,245.99

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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.