Home / 3,191.83-4,404.67-1,756.22

Finding the Fourth Proportional to 3,191.83, 4,404.67 and 1,756.22

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Solution

The fourth proportional to 3,191.83, 4,404.67 and 1,756.22 is: 2,423.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191.83 : 4,404.67 = 1,756.22 : x
  2. Step 2: Convert to fraction form
    3,191.83/4,404.67 = 1,756.22/x
  3. Step 3: Cross multiply
    3,191.83x = 4,404.67 × 1,756.22
  4. Step 4: Simplify right side
    3,191.83x = 7,735,543.13
  5. Step 5: Solve for x
    x = 7,735,543.13/3,191.83
  6. Step 6: Final answer
    x = 2,423.55

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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.