Home / 2,663.04-3,675.60-1,729.92

Finding the Fourth Proportional to 2,663.04, 3,675.60 and 1,729.92

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Solution

The fourth proportional to 2,663.04, 3,675.60 and 1,729.92 is: 2,387.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,663.04 : 3,675.60 = 1,729.92 : x
  2. Step 2: Convert to fraction form
    2,663.04/3,675.60 = 1,729.92/x
  3. Step 3: Cross multiply
    2,663.04x = 3,675.60 × 1,729.92
  4. Step 4: Simplify right side
    2,663.04x = 6,358,493.95
  5. Step 5: Solve for x
    x = 6,358,493.95/2,663.04
  6. Step 6: Final answer
    x = 2,387.68

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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.