Home / 2,193.66-3,025.89-1,309.77

Finding the Fourth Proportional to 2,193.66, 3,025.89 and 1,309.77

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Solution

The fourth proportional to 2,193.66, 3,025.89 and 1,309.77 is: 1,806.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.66 : 3,025.89 = 1,309.77 : x
  2. Step 2: Convert to fraction form
    2,193.66/3,025.89 = 1,309.77/x
  3. Step 3: Cross multiply
    2,193.66x = 3,025.89 × 1,309.77
  4. Step 4: Simplify right side
    2,193.66x = 3,963,219.95
  5. Step 5: Solve for x
    x = 3,963,219.95/2,193.66
  6. Step 6: Final answer
    x = 1,806.67

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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.