Home / 2,176.17-3,263.18-714.39

Finding the Fourth Proportional to 2,176.17, 3,263.18 and 714.39

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Solution

The fourth proportional to 2,176.17, 3,263.18 and 714.39 is: 1,071.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.17 : 3,263.18 = 714.39 : x
  2. Step 2: Convert to fraction form
    2,176.17/3,263.18 = 714.39/x
  3. Step 3: Cross multiply
    2,176.17x = 3,263.18 × 714.39
  4. Step 4: Simplify right side
    2,176.17x = 2,331,179.59
  5. Step 5: Solve for x
    x = 2,331,179.59/2,176.17
  6. Step 6: Final answer
    x = 1,071.23

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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.