Home / 4,666.02-6,997.68-1,378.50

Finding the Fourth Proportional to 4,666.02, 6,997.68 and 1,378.50

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Solution

The fourth proportional to 4,666.02, 6,997.68 and 1,378.50 is: 2,067.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,666.02 : 6,997.68 = 1,378.50 : x
  2. Step 2: Convert to fraction form
    4,666.02/6,997.68 = 1,378.50/x
  3. Step 3: Cross multiply
    4,666.02x = 6,997.68 × 1,378.50
  4. Step 4: Simplify right side
    4,666.02x = 9,646,301.88
  5. Step 5: Solve for x
    x = 9,646,301.88/4,666.02
  6. Step 6: Final answer
    x = 2,067.35

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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.