Home / 2,232.28-3,080.28-1,237.36

Finding the Fourth Proportional to 2,232.28, 3,080.28 and 1,237.36

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Solution

The fourth proportional to 2,232.28, 3,080.28 and 1,237.36 is: 1,707.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,232.28 : 3,080.28 = 1,237.36 : x
  2. Step 2: Convert to fraction form
    2,232.28/3,080.28 = 1,237.36/x
  3. Step 3: Cross multiply
    2,232.28x = 3,080.28 × 1,237.36
  4. Step 4: Simplify right side
    2,232.28x = 3,811,415.26
  5. Step 5: Solve for x
    x = 3,811,415.26/2,232.28
  6. Step 6: Final answer
    x = 1,707.41

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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.