Home / 6,140.67-8,474.13-3,346.17

Finding the Fourth Proportional to 6,140.67, 8,474.13 and 3,346.17

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Solution

The fourth proportional to 6,140.67, 8,474.13 and 3,346.17 is: 4,617.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,140.67 : 8,474.13 = 3,346.17 : x
  2. Step 2: Convert to fraction form
    6,140.67/8,474.13 = 3,346.17/x
  3. Step 3: Cross multiply
    6,140.67x = 8,474.13 × 3,346.17
  4. Step 4: Simplify right side
    6,140.67x = 28,355,879.58
  5. Step 5: Solve for x
    x = 28,355,879.58/6,140.67
  6. Step 6: Final answer
    x = 4,617.72

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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.