Home / 1,675.92-2,311.60-1,054.56

Finding the Fourth Proportional to 1,675.92, 2,311.60 and 1,054.56

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Solution

The fourth proportional to 1,675.92, 2,311.60 and 1,054.56 is: 1,454.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675.92 : 2,311.60 = 1,054.56 : x
  2. Step 2: Convert to fraction form
    1,675.92/2,311.60 = 1,054.56/x
  3. Step 3: Cross multiply
    1,675.92x = 2,311.60 × 1,054.56
  4. Step 4: Simplify right side
    1,675.92x = 2,437,720.90
  5. Step 5: Solve for x
    x = 2,437,720.90/1,675.92
  6. Step 6: Final answer
    x = 1,454.56

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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.