Home / 3,345.40-4,615.17-2,351.33

Finding the Fourth Proportional to 3,345.40, 4,615.17 and 2,351.33

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Solution

The fourth proportional to 3,345.40, 4,615.17 and 2,351.33 is: 3,243.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.40 : 4,615.17 = 2,351.33 : x
  2. Step 2: Convert to fraction form
    3,345.40/4,615.17 = 2,351.33/x
  3. Step 3: Cross multiply
    3,345.40x = 4,615.17 × 2,351.33
  4. Step 4: Simplify right side
    3,345.40x = 10,851,776.14
  5. Step 5: Solve for x
    x = 10,851,776.14/3,345.40
  6. Step 6: Final answer
    x = 3,243.79

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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.