Home / 1,521.27-2,100.48-1,497.06

Finding the Fourth Proportional to 1,521.27, 2,100.48 and 1,497.06

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Solution

The fourth proportional to 1,521.27, 2,100.48 and 1,497.06 is: 2,067.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521.27 : 2,100.48 = 1,497.06 : x
  2. Step 2: Convert to fraction form
    1,521.27/2,100.48 = 1,497.06/x
  3. Step 3: Cross multiply
    1,521.27x = 2,100.48 × 1,497.06
  4. Step 4: Simplify right side
    1,521.27x = 3,144,544.59
  5. Step 5: Solve for x
    x = 3,144,544.59/1,521.27
  6. Step 6: Final answer
    x = 2,067.05

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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.