Home / 2,970.96-4,100.83-1,776.44

Finding the Fourth Proportional to 2,970.96, 4,100.83 and 1,776.44

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Solution

The fourth proportional to 2,970.96, 4,100.83 and 1,776.44 is: 2,452.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970.96 : 4,100.83 = 1,776.44 : x
  2. Step 2: Convert to fraction form
    2,970.96/4,100.83 = 1,776.44/x
  3. Step 3: Cross multiply
    2,970.96x = 4,100.83 × 1,776.44
  4. Step 4: Simplify right side
    2,970.96x = 7,284,878.45
  5. Step 5: Solve for x
    x = 7,284,878.45/2,970.96
  6. Step 6: Final answer
    x = 2,452.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.