Home / 1,842.42-2,759.88-1,533.28

Finding the Fourth Proportional to 1,842.42, 2,759.88 and 1,533.28

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Solution

The fourth proportional to 1,842.42, 2,759.88 and 1,533.28 is: 2,296.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,842.42 : 2,759.88 = 1,533.28 : x
  2. Step 2: Convert to fraction form
    1,842.42/2,759.88 = 1,533.28/x
  3. Step 3: Cross multiply
    1,842.42x = 2,759.88 × 1,533.28
  4. Step 4: Simplify right side
    1,842.42x = 4,231,668.81
  5. Step 5: Solve for x
    x = 4,231,668.81/1,842.42
  6. Step 6: Final answer
    x = 2,296.80

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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.