Home / 5,086.64-7,630.46-1,576.50

Finding the Fourth Proportional to 5,086.64, 7,630.46 and 1,576.50

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Solution

The fourth proportional to 5,086.64, 7,630.46 and 1,576.50 is: 2,364.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,086.64 : 7,630.46 = 1,576.50 : x
  2. Step 2: Convert to fraction form
    5,086.64/7,630.46 = 1,576.50/x
  3. Step 3: Cross multiply
    5,086.64x = 7,630.46 × 1,576.50
  4. Step 4: Simplify right side
    5,086.64x = 12,029,420.19
  5. Step 5: Solve for x
    x = 12,029,420.19/5,086.64
  6. Step 6: Final answer
    x = 2,364.90

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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.