Home / 2,801.36-4,202.52-1,157.01

Finding the Fourth Proportional to 2,801.36, 4,202.52 and 1,157.01

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Solution

The fourth proportional to 2,801.36, 4,202.52 and 1,157.01 is: 1,735.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,801.36 : 4,202.52 = 1,157.01 : x
  2. Step 2: Convert to fraction form
    2,801.36/4,202.52 = 1,157.01/x
  3. Step 3: Cross multiply
    2,801.36x = 4,202.52 × 1,157.01
  4. Step 4: Simplify right side
    2,801.36x = 4,862,337.57
  5. Step 5: Solve for x
    x = 4,862,337.57/2,801.36
  6. Step 6: Final answer
    x = 1,735.70

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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.