Home / 5,104.63-7,657.43-1,984.88

Finding the Fourth Proportional to 5,104.63, 7,657.43 and 1,984.88

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Solution

The fourth proportional to 5,104.63, 7,657.43 and 1,984.88 is: 2,977.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.63 : 7,657.43 = 1,984.88 : x
  2. Step 2: Convert to fraction form
    5,104.63/7,657.43 = 1,984.88/x
  3. Step 3: Cross multiply
    5,104.63x = 7,657.43 × 1,984.88
  4. Step 4: Simplify right side
    5,104.63x = 15,199,079.66
  5. Step 5: Solve for x
    x = 15,199,079.66/5,104.63
  6. Step 6: Final answer
    x = 2,977.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.