Home / 5,897.62-8,139.06-3,380.51

Finding the Fourth Proportional to 5,897.62, 8,139.06 and 3,380.51

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Solution

The fourth proportional to 5,897.62, 8,139.06 and 3,380.51 is: 4,665.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,897.62 : 8,139.06 = 3,380.51 : x
  2. Step 2: Convert to fraction form
    5,897.62/8,139.06 = 3,380.51/x
  3. Step 3: Cross multiply
    5,897.62x = 8,139.06 × 3,380.51
  4. Step 4: Simplify right side
    5,897.62x = 27,514,173.72
  5. Step 5: Solve for x
    x = 27,514,173.72/5,897.62
  6. Step 6: Final answer
    x = 4,665.30

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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.