Home / 2,591.54-3,576.75-1,529.56

Finding the Fourth Proportional to 2,591.54, 3,576.75 and 1,529.56

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Solution

The fourth proportional to 2,591.54, 3,576.75 and 1,529.56 is: 2,111.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591.54 : 3,576.75 = 1,529.56 : x
  2. Step 2: Convert to fraction form
    2,591.54/3,576.75 = 1,529.56/x
  3. Step 3: Cross multiply
    2,591.54x = 3,576.75 × 1,529.56
  4. Step 4: Simplify right side
    2,591.54x = 5,470,857.62
  5. Step 5: Solve for x
    x = 5,470,857.62/2,591.54
  6. Step 6: Final answer
    x = 2,111.05

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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.