Home / 7,848.89-10,828.34-4,491.05

Finding the Fourth Proportional to 7,848.89, 10,828.34 and 4,491.05

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Solution

The fourth proportional to 7,848.89, 10,828.34 and 4,491.05 is: 6,195.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.89 : 10,828.34 = 4,491.05 : x
  2. Step 2: Convert to fraction form
    7,848.89/10,828.34 = 4,491.05/x
  3. Step 3: Cross multiply
    7,848.89x = 10,828.34 × 4,491.05
  4. Step 4: Simplify right side
    7,848.89x = 48,630,593.90
  5. Step 5: Solve for x
    x = 48,630,593.90/7,848.89
  6. Step 6: Final answer
    x = 6,195.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.