Home / 2,998.35-4,474.62-2,670.30

Finding the Fourth Proportional to 2,998.35, 4,474.62 and 2,670.30

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Solution

The fourth proportional to 2,998.35, 4,474.62 and 2,670.30 is: 3,985.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998.35 : 4,474.62 = 2,670.30 : x
  2. Step 2: Convert to fraction form
    2,998.35/4,474.62 = 2,670.30/x
  3. Step 3: Cross multiply
    2,998.35x = 4,474.62 × 2,670.30
  4. Step 4: Simplify right side
    2,998.35x = 11,948,577.79
  5. Step 5: Solve for x
    x = 11,948,577.79/2,998.35
  6. Step 6: Final answer
    x = 3,985.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.