Home / 1,924.85-2,886.60-675.32

Finding the Fourth Proportional to 1,924.85, 2,886.60 and 675.32

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Solution

The fourth proportional to 1,924.85, 2,886.60 and 675.32 is: 1,012.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,924.85 : 2,886.60 = 675.32 : x
  2. Step 2: Convert to fraction form
    1,924.85/2,886.60 = 675.32/x
  3. Step 3: Cross multiply
    1,924.85x = 2,886.60 × 675.32
  4. Step 4: Simplify right side
    1,924.85x = 1,949,364.28
  5. Step 5: Solve for x
    x = 1,949,364.28/1,924.85
  6. Step 6: Final answer
    x = 1,012.73

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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.