Home / 5,070.82-7,587.74-2,991.82

Finding the Fourth Proportional to 5,070.82, 7,587.74 and 2,991.82

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Solution

The fourth proportional to 5,070.82, 7,587.74 and 2,991.82 is: 4,476.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,070.82 : 7,587.74 = 2,991.82 : x
  2. Step 2: Convert to fraction form
    5,070.82/7,587.74 = 2,991.82/x
  3. Step 3: Cross multiply
    5,070.82x = 7,587.74 × 2,991.82
  4. Step 4: Simplify right side
    5,070.82x = 22,701,152.29
  5. Step 5: Solve for x
    x = 22,701,152.29/5,070.82
  6. Step 6: Final answer
    x = 4,476.82

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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.