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Finding the Fourth Proportional to 3,992.58, 5,990.16 and 1,495.08

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Solution

The fourth proportional to 3,992.58, 5,990.16 and 1,495.08 is: 2,243.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992.58 : 5,990.16 = 1,495.08 : x
  2. Step 2: Convert to fraction form
    3,992.58/5,990.16 = 1,495.08/x
  3. Step 3: Cross multiply
    3,992.58x = 5,990.16 × 1,495.08
  4. Step 4: Simplify right side
    3,992.58x = 8,955,768.41
  5. Step 5: Solve for x
    x = 8,955,768.41/3,992.58
  6. Step 6: Final answer
    x = 2,243.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.