Home / 2,176.07-3,263.36-714.89

Finding the Fourth Proportional to 2,176.07, 3,263.36 and 714.89

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Solution

The fourth proportional to 2,176.07, 3,263.36 and 714.89 is: 1,072.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.07 : 3,263.36 = 714.89 : x
  2. Step 2: Convert to fraction form
    2,176.07/3,263.36 = 714.89/x
  3. Step 3: Cross multiply
    2,176.07x = 3,263.36 × 714.89
  4. Step 4: Simplify right side
    2,176.07x = 2,332,948.01
  5. Step 5: Solve for x
    x = 2,332,948.01/2,176.07
  6. Step 6: Final answer
    x = 1,072.09

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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.