Home / 1,479.08-2,042.08-1,031.42

Finding the Fourth Proportional to 1,479.08, 2,042.08 and 1,031.42

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Solution

The fourth proportional to 1,479.08, 2,042.08 and 1,031.42 is: 1,424.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479.08 : 2,042.08 = 1,031.42 : x
  2. Step 2: Convert to fraction form
    1,479.08/2,042.08 = 1,031.42/x
  3. Step 3: Cross multiply
    1,479.08x = 2,042.08 × 1,031.42
  4. Step 4: Simplify right side
    1,479.08x = 2,106,244.68
  5. Step 5: Solve for x
    x = 2,106,244.68/1,479.08
  6. Step 6: Final answer
    x = 1,424.02

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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.