Home / 2,412.68-3,331.86-2,061.32

Finding the Fourth Proportional to 2,412.68, 3,331.86 and 2,061.32

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Solution

The fourth proportional to 2,412.68, 3,331.86 and 2,061.32 is: 2,846.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,412.68 : 3,331.86 = 2,061.32 : x
  2. Step 2: Convert to fraction form
    2,412.68/3,331.86 = 2,061.32/x
  3. Step 3: Cross multiply
    2,412.68x = 3,331.86 × 2,061.32
  4. Step 4: Simplify right side
    2,412.68x = 6,868,029.66
  5. Step 5: Solve for x
    x = 6,868,029.66/2,412.68
  6. Step 6: Final answer
    x = 2,846.64

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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.