Home / 4,743.72-7,116.42-1,622.99

Finding the Fourth Proportional to 4,743.72, 7,116.42 and 1,622.99

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Solution

The fourth proportional to 4,743.72, 7,116.42 and 1,622.99 is: 2,434.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,743.72 : 7,116.42 = 1,622.99 : x
  2. Step 2: Convert to fraction form
    4,743.72/7,116.42 = 1,622.99/x
  3. Step 3: Cross multiply
    4,743.72x = 7,116.42 × 1,622.99
  4. Step 4: Simplify right side
    4,743.72x = 11,549,902.37
  5. Step 5: Solve for x
    x = 11,549,902.37/4,743.72
  6. Step 6: Final answer
    x = 2,434.78

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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.