Home / 5,181.18-7,775.72-3,798.03

Finding the Fourth Proportional to 5,181.18, 7,775.72 and 3,798.03

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Solution

The fourth proportional to 5,181.18, 7,775.72 and 3,798.03 is: 5,699.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.18 : 7,775.72 = 3,798.03 : x
  2. Step 2: Convert to fraction form
    5,181.18/7,775.72 = 3,798.03/x
  3. Step 3: Cross multiply
    5,181.18x = 7,775.72 × 3,798.03
  4. Step 4: Simplify right side
    5,181.18x = 29,532,398.84
  5. Step 5: Solve for x
    x = 29,532,398.84/5,181.18
  6. Step 6: Final answer
    x = 5,699.94

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1.5x scale

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.