Home / 5,901.42-8,143.91-3,543.55

Finding the Fourth Proportional to 5,901.42, 8,143.91 and 3,543.55

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Solution

The fourth proportional to 5,901.42, 8,143.91 and 3,543.55 is: 4,890.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,901.42 : 8,143.91 = 3,543.55 : x
  2. Step 2: Convert to fraction form
    5,901.42/8,143.91 = 3,543.55/x
  3. Step 3: Cross multiply
    5,901.42x = 8,143.91 × 3,543.55
  4. Step 4: Simplify right side
    5,901.42x = 28,858,327.49
  5. Step 5: Solve for x
    x = 28,858,327.49/5,901.42
  6. Step 6: Final answer
    x = 4,890.06

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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.