Home / 4,400.10-6,600.75-1,478.01

Finding the Fourth Proportional to 4,400.10, 6,600.75 and 1,478.01

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Solution

The fourth proportional to 4,400.10, 6,600.75 and 1,478.01 is: 2,217.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,400.10 : 6,600.75 = 1,478.01 : x
  2. Step 2: Convert to fraction form
    4,400.10/6,600.75 = 1,478.01/x
  3. Step 3: Cross multiply
    4,400.10x = 6,600.75 × 1,478.01
  4. Step 4: Simplify right side
    4,400.10x = 9,755,974.51
  5. Step 5: Solve for x
    x = 9,755,974.51/4,400.10
  6. Step 6: Final answer
    x = 2,217.22

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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.