Home / 2,230.17-3,077.75-1,235.49

Finding the Fourth Proportional to 2,230.17, 3,077.75 and 1,235.49

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Solution

The fourth proportional to 2,230.17, 3,077.75 and 1,235.49 is: 1,705.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230.17 : 3,077.75 = 1,235.49 : x
  2. Step 2: Convert to fraction form
    2,230.17/3,077.75 = 1,235.49/x
  3. Step 3: Cross multiply
    2,230.17x = 3,077.75 × 1,235.49
  4. Step 4: Simplify right side
    2,230.17x = 3,802,529.35
  5. Step 5: Solve for x
    x = 3,802,529.35/2,230.17
  6. Step 6: Final answer
    x = 1,705.04

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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.