Home / 5,987.69-8,260.61-3,717.96

Finding the Fourth Proportional to 5,987.69, 8,260.61 and 3,717.96

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Solution

The fourth proportional to 5,987.69, 8,260.61 and 3,717.96 is: 5,129.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,987.69 : 8,260.61 = 3,717.96 : x
  2. Step 2: Convert to fraction form
    5,987.69/8,260.61 = 3,717.96/x
  3. Step 3: Cross multiply
    5,987.69x = 8,260.61 × 3,717.96
  4. Step 4: Simplify right side
    5,987.69x = 30,712,598.97
  5. Step 5: Solve for x
    x = 30,712,598.97/5,987.69
  6. Step 6: Final answer
    x = 5,129.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.