Home / 3,327.55-4,591.28-1,911.13

Finding the Fourth Proportional to 3,327.55, 4,591.28 and 1,911.13

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Solution

The fourth proportional to 3,327.55, 4,591.28 and 1,911.13 is: 2,636.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,327.55 : 4,591.28 = 1,911.13 : x
  2. Step 2: Convert to fraction form
    3,327.55/4,591.28 = 1,911.13/x
  3. Step 3: Cross multiply
    3,327.55x = 4,591.28 × 1,911.13
  4. Step 4: Simplify right side
    3,327.55x = 8,774,526.25
  5. Step 5: Solve for x
    x = 8,774,526.25/3,327.55
  6. Step 6: Final answer
    x = 2,636.93

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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.