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Finding the Fourth Proportional to 6,030.42, 8,315.28 and 3,789.60

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Solution

The fourth proportional to 6,030.42, 8,315.28 and 3,789.60 is: 5,225.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,030.42 : 8,315.28 = 3,789.60 : x
  2. Step 2: Convert to fraction form
    6,030.42/8,315.28 = 3,789.60/x
  3. Step 3: Cross multiply
    6,030.42x = 8,315.28 × 3,789.60
  4. Step 4: Simplify right side
    6,030.42x = 31,511,585.09
  5. Step 5: Solve for x
    x = 31,511,585.09/6,030.42
  6. Step 6: Final answer
    x = 5,225.44

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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.