Home / 2,011.17-2,774.70-1,591.59

Finding the Fourth Proportional to 2,011.17, 2,774.70 and 1,591.59

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Solution

The fourth proportional to 2,011.17, 2,774.70 and 1,591.59 is: 2,195.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011.17 : 2,774.70 = 1,591.59 : x
  2. Step 2: Convert to fraction form
    2,011.17/2,774.70 = 1,591.59/x
  3. Step 3: Cross multiply
    2,011.17x = 2,774.70 × 1,591.59
  4. Step 4: Simplify right side
    2,011.17x = 4,416,184.77
  5. Step 5: Solve for x
    x = 4,416,184.77/2,011.17
  6. Step 6: Final answer
    x = 2,195.83

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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.