Home / 4,100.58-6,147.68-1,909.02

Finding the Fourth Proportional to 4,100.58, 6,147.68 and 1,909.02

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Solution

The fourth proportional to 4,100.58, 6,147.68 and 1,909.02 is: 2,862.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,100.58 : 6,147.68 = 1,909.02 : x
  2. Step 2: Convert to fraction form
    4,100.58/6,147.68 = 1,909.02/x
  3. Step 3: Cross multiply
    4,100.58x = 6,147.68 × 1,909.02
  4. Step 4: Simplify right side
    4,100.58x = 11,736,044.07
  5. Step 5: Solve for x
    x = 11,736,044.07/4,100.58
  6. Step 6: Final answer
    x = 2,862.04

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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.