Home / 1,675.44-2,312.16-929.52

Finding the Fourth Proportional to 1,675.44, 2,312.16 and 929.52

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Solution

The fourth proportional to 1,675.44, 2,312.16 and 929.52 is: 1,282.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675.44 : 2,312.16 = 929.52 : x
  2. Step 2: Convert to fraction form
    1,675.44/2,312.16 = 929.52/x
  3. Step 3: Cross multiply
    1,675.44x = 2,312.16 × 929.52
  4. Step 4: Simplify right side
    1,675.44x = 2,149,198.96
  5. Step 5: Solve for x
    x = 2,149,198.96/1,675.44
  6. Step 6: Final answer
    x = 1,282.77

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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.