Home / 6,140.50-8,474.07-3,346.18

Finding the Fourth Proportional to 6,140.50, 8,474.07 and 3,346.18

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Solution

The fourth proportional to 6,140.50, 8,474.07 and 3,346.18 is: 4,617.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,140.50 : 8,474.07 = 3,346.18 : x
  2. Step 2: Convert to fraction form
    6,140.50/8,474.07 = 3,346.18/x
  3. Step 3: Cross multiply
    6,140.50x = 8,474.07 × 3,346.18
  4. Step 4: Simplify right side
    6,140.50x = 28,355,763.55
  5. Step 5: Solve for x
    x = 28,355,763.55/6,140.50
  6. Step 6: Final answer
    x = 4,617.83

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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.