Home / 3,191.03-4,405.01-1,864.52

Finding the Fourth Proportional to 3,191.03, 4,405.01 and 1,864.52

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Solution

The fourth proportional to 3,191.03, 4,405.01 and 1,864.52 is: 2,573.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191.03 : 4,405.01 = 1,864.52 : x
  2. Step 2: Convert to fraction form
    3,191.03/4,405.01 = 1,864.52/x
  3. Step 3: Cross multiply
    3,191.03x = 4,405.01 × 1,864.52
  4. Step 4: Simplify right side
    3,191.03x = 8,213,197.90
  5. Step 5: Solve for x
    x = 8,213,197.90/3,191.03
  6. Step 6: Final answer
    x = 2,573.84

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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.