Home / 2,412.08-3,328.76-1,364.32

Finding the Fourth Proportional to 2,412.08, 3,328.76 and 1,364.32

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Solution

The fourth proportional to 2,412.08, 3,328.76 and 1,364.32 is: 1,882.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,412.08 : 3,328.76 = 1,364.32 : x
  2. Step 2: Convert to fraction form
    2,412.08/3,328.76 = 1,364.32/x
  3. Step 3: Cross multiply
    2,412.08x = 3,328.76 × 1,364.32
  4. Step 4: Simplify right side
    2,412.08x = 4,541,493.84
  5. Step 5: Solve for x
    x = 4,541,493.84/2,412.08
  6. Step 6: Final answer
    x = 1,882.81

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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.