Home / 6,538.02-9,808.68-1,921.02

Finding the Fourth Proportional to 6,538.02, 9,808.68 and 1,921.02

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Solution

The fourth proportional to 6,538.02, 9,808.68 and 1,921.02 is: 2,882.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,538.02 : 9,808.68 = 1,921.02 : x
  2. Step 2: Convert to fraction form
    6,538.02/9,808.68 = 1,921.02/x
  3. Step 3: Cross multiply
    6,538.02x = 9,808.68 × 1,921.02
  4. Step 4: Simplify right side
    6,538.02x = 18,842,670.45
  5. Step 5: Solve for x
    x = 18,842,670.45/6,538.02
  6. Step 6: Final answer
    x = 2,882.01

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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.