Home / 3,148.08-4,719.42-1,201.68

Finding the Fourth Proportional to 3,148.08, 4,719.42 and 1,201.68

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Solution

The fourth proportional to 3,148.08, 4,719.42 and 1,201.68 is: 1,801.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.08 : 4,719.42 = 1,201.68 : x
  2. Step 2: Convert to fraction form
    3,148.08/4,719.42 = 1,201.68/x
  3. Step 3: Cross multiply
    3,148.08x = 4,719.42 × 1,201.68
  4. Step 4: Simplify right side
    3,148.08x = 5,671,232.63
  5. Step 5: Solve for x
    x = 5,671,232.63/3,148.08
  6. Step 6: Final answer
    x = 1,801.49

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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.