Home / 3,170.19-4,374.78-1,754.01

Finding the Fourth Proportional to 3,170.19, 4,374.78 and 1,754.01

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Solution

The fourth proportional to 3,170.19, 4,374.78 and 1,754.01 is: 2,420.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.19 : 4,374.78 = 1,754.01 : x
  2. Step 2: Convert to fraction form
    3,170.19/4,374.78 = 1,754.01/x
  3. Step 3: Cross multiply
    3,170.19x = 4,374.78 × 1,754.01
  4. Step 4: Simplify right side
    3,170.19x = 7,673,407.87
  5. Step 5: Solve for x
    x = 7,673,407.87/3,170.19
  6. Step 6: Final answer
    x = 2,420.49

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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.