Home / 2,175.35-3,263.38-714.17

Finding the Fourth Proportional to 2,175.35, 3,263.38 and 714.17

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Solution

The fourth proportional to 2,175.35, 3,263.38 and 714.17 is: 1,071.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175.35 : 3,263.38 = 714.17 : x
  2. Step 2: Convert to fraction form
    2,175.35/3,263.38 = 714.17/x
  3. Step 3: Cross multiply
    2,175.35x = 3,263.38 × 714.17
  4. Step 4: Simplify right side
    2,175.35x = 2,330,614.47
  5. Step 5: Solve for x
    x = 2,330,614.47/2,175.35
  6. Step 6: Final answer
    x = 1,071.38

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1.5x scale

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.