Home / 6,120.45-8,446.01-4,023.09

Finding the Fourth Proportional to 6,120.45, 8,446.01 and 4,023.09

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Solution

The fourth proportional to 6,120.45, 8,446.01 and 4,023.09 is: 5,551.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120.45 : 8,446.01 = 4,023.09 : x
  2. Step 2: Convert to fraction form
    6,120.45/8,446.01 = 4,023.09/x
  3. Step 3: Cross multiply
    6,120.45x = 8,446.01 × 4,023.09
  4. Step 4: Simplify right side
    6,120.45x = 33,979,038.26
  5. Step 5: Solve for x
    x = 33,979,038.26/6,120.45
  6. Step 6: Final answer
    x = 5,551.72

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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.