Home / 5,086.10-7,629.35-1,576.47

Finding the Fourth Proportional to 5,086.10, 7,629.35 and 1,576.47

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Solution

The fourth proportional to 5,086.10, 7,629.35 and 1,576.47 is: 2,364.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,086.10 : 7,629.35 = 1,576.47 : x
  2. Step 2: Convert to fraction form
    5,086.10/7,629.35 = 1,576.47/x
  3. Step 3: Cross multiply
    5,086.10x = 7,629.35 × 1,576.47
  4. Step 4: Simplify right side
    5,086.10x = 12,027,445.34
  5. Step 5: Solve for x
    x = 12,027,445.34/5,086.10
  6. Step 6: Final answer
    x = 2,364.77

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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.