Home / 5,076.25-7,614.36-1,379.01

Finding the Fourth Proportional to 5,076.25, 7,614.36 and 1,379.01

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Solution

The fourth proportional to 5,076.25, 7,614.36 and 1,379.01 is: 2,068.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.25 : 7,614.36 = 1,379.01 : x
  2. Step 2: Convert to fraction form
    5,076.25/7,614.36 = 1,379.01/x
  3. Step 3: Cross multiply
    5,076.25x = 7,614.36 × 1,379.01
  4. Step 4: Simplify right side
    5,076.25x = 10,500,307.14
  5. Step 5: Solve for x
    x = 10,500,307.14/5,076.25
  6. Step 6: Final answer
    x = 2,068.52

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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.