Home / 7,897.91-11,850.33-3,740.89

Finding the Fourth Proportional to 7,897.91, 11,850.33 and 3,740.89

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Solution

The fourth proportional to 7,897.91, 11,850.33 and 3,740.89 is: 5,612.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,897.91 : 11,850.33 = 3,740.89 : x
  2. Step 2: Convert to fraction form
    7,897.91/11,850.33 = 3,740.89/x
  3. Step 3: Cross multiply
    7,897.91x = 11,850.33 × 3,740.89
  4. Step 4: Simplify right side
    7,897.91x = 44,330,703.04
  5. Step 5: Solve for x
    x = 44,330,703.04/7,897.91
  6. Step 6: Final answer
    x = 5,612.97

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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.