Home / 3,856.95-5,788.53-2,192.13

Finding the Fourth Proportional to 3,856.95, 5,788.53 and 2,192.13

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Solution

The fourth proportional to 3,856.95, 5,788.53 and 2,192.13 is: 3,289.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,856.95 : 5,788.53 = 2,192.13 : x
  2. Step 2: Convert to fraction form
    3,856.95/5,788.53 = 2,192.13/x
  3. Step 3: Cross multiply
    3,856.95x = 5,788.53 × 2,192.13
  4. Step 4: Simplify right side
    3,856.95x = 12,689,210.27
  5. Step 5: Solve for x
    x = 12,689,210.27/3,856.95
  6. Step 6: Final answer
    x = 3,289.96

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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.