Home / 6,140.48-8,473.50-3,622.68

Finding the Fourth Proportional to 6,140.48, 8,473.50 and 3,622.68

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Solution

The fourth proportional to 6,140.48, 8,473.50 and 3,622.68 is: 4,999.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,140.48 : 8,473.50 = 3,622.68 : x
  2. Step 2: Convert to fraction form
    6,140.48/8,473.50 = 3,622.68/x
  3. Step 3: Cross multiply
    6,140.48x = 8,473.50 × 3,622.68
  4. Step 4: Simplify right side
    6,140.48x = 30,696,778.98
  5. Step 5: Solve for x
    x = 30,696,778.98/6,140.48
  6. Step 6: Final answer
    x = 4,999.08

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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.