Home / 3,475.35-5,211.81-1,009.51

Finding the Fourth Proportional to 3,475.35, 5,211.81 and 1,009.51

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Solution

The fourth proportional to 3,475.35, 5,211.81 and 1,009.51 is: 1,513.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,475.35 : 5,211.81 = 1,009.51 : x
  2. Step 2: Convert to fraction form
    3,475.35/5,211.81 = 1,009.51/x
  3. Step 3: Cross multiply
    3,475.35x = 5,211.81 × 1,009.51
  4. Step 4: Simplify right side
    3,475.35x = 5,261,361.28
  5. Step 5: Solve for x
    x = 5,261,361.28/3,475.35
  6. Step 6: Final answer
    x = 1,513.91

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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.