Home / 4,788.04-7,181.18-2,190.36

Finding the Fourth Proportional to 4,788.04, 7,181.18 and 2,190.36

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Solution

The fourth proportional to 4,788.04, 7,181.18 and 2,190.36 is: 3,285.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,788.04 : 7,181.18 = 2,190.36 : x
  2. Step 2: Convert to fraction form
    4,788.04/7,181.18 = 2,190.36/x
  3. Step 3: Cross multiply
    4,788.04x = 7,181.18 × 2,190.36
  4. Step 4: Simplify right side
    4,788.04x = 15,729,369.42
  5. Step 5: Solve for x
    x = 15,729,369.42/4,788.04
  6. Step 6: Final answer
    x = 3,285.14

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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.