Home / 1,479.93-2,208.29-1,324.79

Finding the Fourth Proportional to 1,479.93, 2,208.29 and 1,324.79

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Solution

The fourth proportional to 1,479.93, 2,208.29 and 1,324.79 is: 1,976.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479.93 : 2,208.29 = 1,324.79 : x
  2. Step 2: Convert to fraction form
    1,479.93/2,208.29 = 1,324.79/x
  3. Step 3: Cross multiply
    1,479.93x = 2,208.29 × 1,324.79
  4. Step 4: Simplify right side
    1,479.93x = 2,925,502.84
  5. Step 5: Solve for x
    x = 2,925,502.84/1,479.93
  6. Step 6: Final answer
    x = 1,976.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.