Home / 3,119.03-4,304.13-1,702.68

Finding the Fourth Proportional to 3,119.03, 4,304.13 and 1,702.68

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Solution

The fourth proportional to 3,119.03, 4,304.13 and 1,702.68 is: 2,349.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.03 : 4,304.13 = 1,702.68 : x
  2. Step 2: Convert to fraction form
    3,119.03/4,304.13 = 1,702.68/x
  3. Step 3: Cross multiply
    3,119.03x = 4,304.13 × 1,702.68
  4. Step 4: Simplify right side
    3,119.03x = 7,328,556.07
  5. Step 5: Solve for x
    x = 7,328,556.07/3,119.03
  6. Step 6: Final answer
    x = 2,349.63

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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.