Home / 5,176.90-7,764.65-2,059.20

Finding the Fourth Proportional to 5,176.90, 7,764.65 and 2,059.20

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Solution

The fourth proportional to 5,176.90, 7,764.65 and 2,059.20 is: 3,088.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176.90 : 7,764.65 = 2,059.20 : x
  2. Step 2: Convert to fraction form
    5,176.90/7,764.65 = 2,059.20/x
  3. Step 3: Cross multiply
    5,176.90x = 7,764.65 × 2,059.20
  4. Step 4: Simplify right side
    5,176.90x = 15,988,967.28
  5. Step 5: Solve for x
    x = 15,988,967.28/5,176.90
  6. Step 6: Final answer
    x = 3,088.52

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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.