Home / 5,900.76-8,142.96-3,512.40

Finding the Fourth Proportional to 5,900.76, 8,142.96 and 3,512.40

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Solution

The fourth proportional to 5,900.76, 8,142.96 and 3,512.40 is: 4,847.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,900.76 : 8,142.96 = 3,512.40 : x
  2. Step 2: Convert to fraction form
    5,900.76/8,142.96 = 3,512.40/x
  3. Step 3: Cross multiply
    5,900.76x = 8,142.96 × 3,512.40
  4. Step 4: Simplify right side
    5,900.76x = 28,601,332.70
  5. Step 5: Solve for x
    x = 28,601,332.70/5,900.76
  6. Step 6: Final answer
    x = 4,847.06

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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.