Home / 4,079.44-5,628.81-2,400.92

Finding the Fourth Proportional to 4,079.44, 5,628.81 and 2,400.92

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Solution

The fourth proportional to 4,079.44, 5,628.81 and 2,400.92 is: 3,312.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.44 : 5,628.81 = 2,400.92 : x
  2. Step 2: Convert to fraction form
    4,079.44/5,628.81 = 2,400.92/x
  3. Step 3: Cross multiply
    4,079.44x = 5,628.81 × 2,400.92
  4. Step 4: Simplify right side
    4,079.44x = 13,514,322.51
  5. Step 5: Solve for x
    x = 13,514,322.51/4,079.44
  6. Step 6: Final answer
    x = 3,312.79

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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.