Home / 2,237.37-3,087.58-1,242.65

Finding the Fourth Proportional to 2,237.37, 3,087.58 and 1,242.65

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Solution

The fourth proportional to 2,237.37, 3,087.58 and 1,242.65 is: 1,714.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,237.37 : 3,087.58 = 1,242.65 : x
  2. Step 2: Convert to fraction form
    2,237.37/3,087.58 = 1,242.65/x
  3. Step 3: Cross multiply
    2,237.37x = 3,087.58 × 1,242.65
  4. Step 4: Simplify right side
    2,237.37x = 3,836,785.90
  5. Step 5: Solve for x
    x = 3,836,785.90/2,237.37
  6. Step 6: Final answer
    x = 1,714.86

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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.