Home / 3,461.42-4,776.83-1,969.37

Finding the Fourth Proportional to 3,461.42, 4,776.83 and 1,969.37

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Solution

The fourth proportional to 3,461.42, 4,776.83 and 1,969.37 is: 2,717.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461.42 : 4,776.83 = 1,969.37 : x
  2. Step 2: Convert to fraction form
    3,461.42/4,776.83 = 1,969.37/x
  3. Step 3: Cross multiply
    3,461.42x = 4,776.83 × 1,969.37
  4. Step 4: Simplify right side
    3,461.42x = 9,407,335.85
  5. Step 5: Solve for x
    x = 9,407,335.85/3,461.42
  6. Step 6: Final answer
    x = 2,717.77

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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.