Home / 4,678.72-7,023.13-4,162.03

Finding the Fourth Proportional to 4,678.72, 7,023.13 and 4,162.03

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Solution

The fourth proportional to 4,678.72, 7,023.13 and 4,162.03 is: 6,247.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678.72 : 7,023.13 = 4,162.03 : x
  2. Step 2: Convert to fraction form
    4,678.72/7,023.13 = 4,162.03/x
  3. Step 3: Cross multiply
    4,678.72x = 7,023.13 × 4,162.03
  4. Step 4: Simplify right side
    4,678.72x = 29,230,449.79
  5. Step 5: Solve for x
    x = 29,230,449.79/4,678.72
  6. Step 6: Final answer
    x = 6,247.53

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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.