Home / 2,125.88-2,932.90-1,567.68

Finding the Fourth Proportional to 2,125.88, 2,932.90 and 1,567.68

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Solution

The fourth proportional to 2,125.88, 2,932.90 and 1,567.68 is: 2,162.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125.88 : 2,932.90 = 1,567.68 : x
  2. Step 2: Convert to fraction form
    2,125.88/2,932.90 = 1,567.68/x
  3. Step 3: Cross multiply
    2,125.88x = 2,932.90 × 1,567.68
  4. Step 4: Simplify right side
    2,125.88x = 4,597,848.67
  5. Step 5: Solve for x
    x = 4,597,848.67/2,125.88
  6. Step 6: Final answer
    x = 2,162.80

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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.