Home / 1,474.87-2,033.18-1,031.39

Finding the Fourth Proportional to 1,474.87, 2,033.18 and 1,031.39

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Solution

The fourth proportional to 1,474.87, 2,033.18 and 1,031.39 is: 1,421.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474.87 : 2,033.18 = 1,031.39 : x
  2. Step 2: Convert to fraction form
    1,474.87/2,033.18 = 1,031.39/x
  3. Step 3: Cross multiply
    1,474.87x = 2,033.18 × 1,031.39
  4. Step 4: Simplify right side
    1,474.87x = 2,097,001.52
  5. Step 5: Solve for x
    x = 2,097,001.52/1,474.87
  6. Step 6: Final answer
    x = 1,421.82

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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.