Home / 2,670.14-3,686.46-2,001.62

Finding the Fourth Proportional to 2,670.14, 3,686.46 and 2,001.62

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Solution

The fourth proportional to 2,670.14, 3,686.46 and 2,001.62 is: 2,763.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,670.14 : 3,686.46 = 2,001.62 : x
  2. Step 2: Convert to fraction form
    2,670.14/3,686.46 = 2,001.62/x
  3. Step 3: Cross multiply
    2,670.14x = 3,686.46 × 2,001.62
  4. Step 4: Simplify right side
    2,670.14x = 7,378,892.07
  5. Step 5: Solve for x
    x = 7,378,892.07/2,670.14
  6. Step 6: Final answer
    x = 2,763.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.