Home / 3,914.12-5,866.78-1,573.58

Finding the Fourth Proportional to 3,914.12, 5,866.78 and 1,573.58

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Solution

The fourth proportional to 3,914.12, 5,866.78 and 1,573.58 is: 2,358.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914.12 : 5,866.78 = 1,573.58 : x
  2. Step 2: Convert to fraction form
    3,914.12/5,866.78 = 1,573.58/x
  3. Step 3: Cross multiply
    3,914.12x = 5,866.78 × 1,573.58
  4. Step 4: Simplify right side
    3,914.12x = 9,231,828.36
  5. Step 5: Solve for x
    x = 9,231,828.36/3,914.12
  6. Step 6: Final answer
    x = 2,358.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.