Home / 6,140.54-8,473.57-3,622.76

Finding the Fourth Proportional to 6,140.54, 8,473.57 and 3,622.76

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Solution

The fourth proportional to 6,140.54, 8,473.57 and 3,622.76 is: 4,999.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,140.54 : 8,473.57 = 3,622.76 : x
  2. Step 2: Convert to fraction form
    6,140.54/8,473.57 = 3,622.76/x
  3. Step 3: Cross multiply
    6,140.54x = 8,473.57 × 3,622.76
  4. Step 4: Simplify right side
    6,140.54x = 30,697,710.45
  5. Step 5: Solve for x
    x = 30,697,710.45/6,140.54
  6. Step 6: Final answer
    x = 4,999.19

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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.