Home / 2,299.56-3,173.63-1,355.64

Finding the Fourth Proportional to 2,299.56, 3,173.63 and 1,355.64

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Solution

The fourth proportional to 2,299.56, 3,173.63 and 1,355.64 is: 1,870.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.56 : 3,173.63 = 1,355.64 : x
  2. Step 2: Convert to fraction form
    2,299.56/3,173.63 = 1,355.64/x
  3. Step 3: Cross multiply
    2,299.56x = 3,173.63 × 1,355.64
  4. Step 4: Simplify right side
    2,299.56x = 4,302,293.00
  5. Step 5: Solve for x
    x = 4,302,293.00/2,299.56
  6. Step 6: Final answer
    x = 1,870.92

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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.