Home / 1,556.88-2,148.84-1,033.08

Finding the Fourth Proportional to 1,556.88, 2,148.84 and 1,033.08

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Solution

The fourth proportional to 1,556.88, 2,148.84 and 1,033.08 is: 1,425.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556.88 : 2,148.84 = 1,033.08 : x
  2. Step 2: Convert to fraction form
    1,556.88/2,148.84 = 1,033.08/x
  3. Step 3: Cross multiply
    1,556.88x = 2,148.84 × 1,033.08
  4. Step 4: Simplify right side
    1,556.88x = 2,219,923.63
  5. Step 5: Solve for x
    x = 2,219,923.63/1,556.88
  6. Step 6: Final answer
    x = 1,425.88

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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.