Home / 3,037.84-4,555.56-1,188.64

Finding the Fourth Proportional to 3,037.84, 4,555.56 and 1,188.64

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Solution

The fourth proportional to 3,037.84, 4,555.56 and 1,188.64 is: 1,782.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,037.84 : 4,555.56 = 1,188.64 : x
  2. Step 2: Convert to fraction form
    3,037.84/4,555.56 = 1,188.64/x
  3. Step 3: Cross multiply
    3,037.84x = 4,555.56 × 1,188.64
  4. Step 4: Simplify right side
    3,037.84x = 5,414,920.84
  5. Step 5: Solve for x
    x = 5,414,920.84/3,037.84
  6. Step 6: Final answer
    x = 1,782.49

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.