Home / 3,341.92-5,012.08-1,120.84

Finding the Fourth Proportional to 3,341.92, 5,012.08 and 1,120.84

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Solution

The fourth proportional to 3,341.92, 5,012.08 and 1,120.84 is: 1,680.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,341.92 : 5,012.08 = 1,120.84 : x
  2. Step 2: Convert to fraction form
    3,341.92/5,012.08 = 1,120.84/x
  3. Step 3: Cross multiply
    3,341.92x = 5,012.08 × 1,120.84
  4. Step 4: Simplify right side
    3,341.92x = 5,617,731.51
  5. Step 5: Solve for x
    x = 5,617,731.51/3,341.92
  6. Step 6: Final answer
    x = 1,680.99

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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.