Home / 4,776.35-7,161.75-1,851.23

Finding the Fourth Proportional to 4,776.35, 7,161.75 and 1,851.23

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Solution

The fourth proportional to 4,776.35, 7,161.75 and 1,851.23 is: 2,775.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,776.35 : 7,161.75 = 1,851.23 : x
  2. Step 2: Convert to fraction form
    4,776.35/7,161.75 = 1,851.23/x
  3. Step 3: Cross multiply
    4,776.35x = 7,161.75 × 1,851.23
  4. Step 4: Simplify right side
    4,776.35x = 13,258,064.36
  5. Step 5: Solve for x
    x = 13,258,064.36/4,776.35
  6. Step 6: Final answer
    x = 2,775.78

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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.