Home / 5,897.30-8,128.82-4,476.35

Finding the Fourth Proportional to 5,897.30, 8,128.82 and 4,476.35

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Solution

The fourth proportional to 5,897.30, 8,128.82 and 4,476.35 is: 6,170.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,897.30 : 8,128.82 = 4,476.35 : x
  2. Step 2: Convert to fraction form
    5,897.30/8,128.82 = 4,476.35/x
  3. Step 3: Cross multiply
    5,897.30x = 8,128.82 × 4,476.35
  4. Step 4: Simplify right side
    5,897.30x = 36,387,474.92
  5. Step 5: Solve for x
    x = 36,387,474.92/5,897.30
  6. Step 6: Final answer
    x = 6,170.20

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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.