Home / 5,803.20-8,705.75-1,906.70

Finding the Fourth Proportional to 5,803.20, 8,705.75 and 1,906.70

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Solution

The fourth proportional to 5,803.20, 8,705.75 and 1,906.70 is: 2,860.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,803.20 : 8,705.75 = 1,906.70 : x
  2. Step 2: Convert to fraction form
    5,803.20/8,705.75 = 1,906.70/x
  3. Step 3: Cross multiply
    5,803.20x = 8,705.75 × 1,906.70
  4. Step 4: Simplify right side
    5,803.20x = 16,599,200.46
  5. Step 5: Solve for x
    x = 16,599,200.46/5,803.20
  6. Step 6: Final answer
    x = 2,860.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.