Home / 1,739.97-2,400.84-1,031.52

Finding the Fourth Proportional to 1,739.97, 2,400.84 and 1,031.52

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Solution

The fourth proportional to 1,739.97, 2,400.84 and 1,031.52 is: 1,423.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739.97 : 2,400.84 = 1,031.52 : x
  2. Step 2: Convert to fraction form
    1,739.97/2,400.84 = 1,031.52/x
  3. Step 3: Cross multiply
    1,739.97x = 2,400.84 × 1,031.52
  4. Step 4: Simplify right side
    1,739.97x = 2,476,514.48
  5. Step 5: Solve for x
    x = 2,476,514.48/1,739.97
  6. Step 6: Final answer
    x = 1,423.31

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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.