Home / 4,137.81-5,710.19-2,274.81

Finding the Fourth Proportional to 4,137.81, 5,710.19 and 2,274.81

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Solution

The fourth proportional to 4,137.81, 5,710.19 and 2,274.81 is: 3,139.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,137.81 : 5,710.19 = 2,274.81 : x
  2. Step 2: Convert to fraction form
    4,137.81/5,710.19 = 2,274.81/x
  3. Step 3: Cross multiply
    4,137.81x = 5,710.19 × 2,274.81
  4. Step 4: Simplify right side
    4,137.81x = 12,989,597.31
  5. Step 5: Solve for x
    x = 12,989,597.31/4,137.81
  6. Step 6: Final answer
    x = 3,139.24

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Half scale
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Double scale
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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.