Home / 2,924.72-4,031.92-1,804.92

Finding the Fourth Proportional to 2,924.72, 4,031.92 and 1,804.92

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Solution

The fourth proportional to 2,924.72, 4,031.92 and 1,804.92 is: 2,488.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,924.72 : 4,031.92 = 1,804.92 : x
  2. Step 2: Convert to fraction form
    2,924.72/4,031.92 = 1,804.92/x
  3. Step 3: Cross multiply
    2,924.72x = 4,031.92 × 1,804.92
  4. Step 4: Simplify right side
    2,924.72x = 7,277,293.05
  5. Step 5: Solve for x
    x = 7,277,293.05/2,924.72
  6. Step 6: Final answer
    x = 2,488.20

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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.