Home / 3,101.51-4,280.13-1,704.25

Finding the Fourth Proportional to 3,101.51, 4,280.13 and 1,704.25

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Solution

The fourth proportional to 3,101.51, 4,280.13 and 1,704.25 is: 2,351.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.51 : 4,280.13 = 1,704.25 : x
  2. Step 2: Convert to fraction form
    3,101.51/4,280.13 = 1,704.25/x
  3. Step 3: Cross multiply
    3,101.51x = 4,280.13 × 1,704.25
  4. Step 4: Simplify right side
    3,101.51x = 7,294,403.03
  5. Step 5: Solve for x
    x = 7,294,403.03/3,101.51
  6. Step 6: Final answer
    x = 2,351.89

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1.5x scale

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.