Home / 2,365.32-3,261.36-1,619.64

Finding the Fourth Proportional to 2,365.32, 3,261.36 and 1,619.64

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Solution

The fourth proportional to 2,365.32, 3,261.36 and 1,619.64 is: 2,233.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,365.32 : 3,261.36 = 1,619.64 : x
  2. Step 2: Convert to fraction form
    2,365.32/3,261.36 = 1,619.64/x
  3. Step 3: Cross multiply
    2,365.32x = 3,261.36 × 1,619.64
  4. Step 4: Simplify right side
    2,365.32x = 5,282,229.11
  5. Step 5: Solve for x
    x = 5,282,229.11/2,365.32
  6. Step 6: Final answer
    x = 2,233.20

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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.