Home / 5,273.18-7,910.78-1,575.32

Finding the Fourth Proportional to 5,273.18, 7,910.78 and 1,575.32

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Solution

The fourth proportional to 5,273.18, 7,910.78 and 1,575.32 is: 2,363.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,273.18 : 7,910.78 = 1,575.32 : x
  2. Step 2: Convert to fraction form
    5,273.18/7,910.78 = 1,575.32/x
  3. Step 3: Cross multiply
    5,273.18x = 7,910.78 × 1,575.32
  4. Step 4: Simplify right side
    5,273.18x = 12,461,962.52
  5. Step 5: Solve for x
    x = 12,461,962.52/5,273.18
  6. Step 6: Final answer
    x = 2,363.27

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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.