Home / 6,140.60-8,474.03-3,346.10

Finding the Fourth Proportional to 6,140.60, 8,474.03 and 3,346.10

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Solution

The fourth proportional to 6,140.60, 8,474.03 and 3,346.10 is: 4,617.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,140.60 : 8,474.03 = 3,346.10 : x
  2. Step 2: Convert to fraction form
    6,140.60/8,474.03 = 3,346.10/x
  3. Step 3: Cross multiply
    6,140.60x = 8,474.03 × 3,346.10
  4. Step 4: Simplify right side
    6,140.60x = 28,355,003.50
  5. Step 5: Solve for x
    x = 28,355,003.50/6,140.60
  6. Step 6: Final answer
    x = 4,617.62

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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.