Home / 3,355.07-5,030.30-1,708.43

Finding the Fourth Proportional to 3,355.07, 5,030.30 and 1,708.43

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Solution

The fourth proportional to 3,355.07, 5,030.30 and 1,708.43 is: 2,561.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.07 : 5,030.30 = 1,708.43 : x
  2. Step 2: Convert to fraction form
    3,355.07/5,030.30 = 1,708.43/x
  3. Step 3: Cross multiply
    3,355.07x = 5,030.30 × 1,708.43
  4. Step 4: Simplify right side
    3,355.07x = 8,593,894.55
  5. Step 5: Solve for x
    x = 8,593,894.55/3,355.07
  6. Step 6: Final answer
    x = 2,561.47

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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.