Home / 3,730.19-5,147.81-2,237.56

Finding the Fourth Proportional to 3,730.19, 5,147.81 and 2,237.56

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Solution

The fourth proportional to 3,730.19, 5,147.81 and 2,237.56 is: 3,087.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,730.19 : 5,147.81 = 2,237.56 : x
  2. Step 2: Convert to fraction form
    3,730.19/5,147.81 = 2,237.56/x
  3. Step 3: Cross multiply
    3,730.19x = 5,147.81 × 2,237.56
  4. Step 4: Simplify right side
    3,730.19x = 11,518,533.74
  5. Step 5: Solve for x
    x = 11,518,533.74/3,730.19
  6. Step 6: Final answer
    x = 3,087.92

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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.