Home / 2,118.02-3,175.20-1,023.14

Finding the Fourth Proportional to 2,118.02, 3,175.20 and 1,023.14

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Solution

The fourth proportional to 2,118.02, 3,175.20 and 1,023.14 is: 1,533.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118.02 : 3,175.20 = 1,023.14 : x
  2. Step 2: Convert to fraction form
    2,118.02/3,175.20 = 1,023.14/x
  3. Step 3: Cross multiply
    2,118.02x = 3,175.20 × 1,023.14
  4. Step 4: Simplify right side
    2,118.02x = 3,248,674.13
  5. Step 5: Solve for x
    x = 3,248,674.13/2,118.02
  6. Step 6: Final answer
    x = 1,533.83

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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.