Home / 2,330.16-3,216.12-1,335.60

Finding the Fourth Proportional to 2,330.16, 3,216.12 and 1,335.60

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Solution

The fourth proportional to 2,330.16, 3,216.12 and 1,335.60 is: 1,843.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,330.16 : 3,216.12 = 1,335.60 : x
  2. Step 2: Convert to fraction form
    2,330.16/3,216.12 = 1,335.60/x
  3. Step 3: Cross multiply
    2,330.16x = 3,216.12 × 1,335.60
  4. Step 4: Simplify right side
    2,330.16x = 4,295,449.87
  5. Step 5: Solve for x
    x = 4,295,449.87/2,330.16
  6. Step 6: Final answer
    x = 1,843.41

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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.