Home / 1,925.80-2,884.38-1,491.64

Finding the Fourth Proportional to 1,925.80, 2,884.38 and 1,491.64

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Solution

The fourth proportional to 1,925.80, 2,884.38 and 1,491.64 is: 2,234.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925.80 : 2,884.38 = 1,491.64 : x
  2. Step 2: Convert to fraction form
    1,925.80/2,884.38 = 1,491.64/x
  3. Step 3: Cross multiply
    1,925.80x = 2,884.38 × 1,491.64
  4. Step 4: Simplify right side
    1,925.80x = 4,302,456.58
  5. Step 5: Solve for x
    x = 4,302,456.58/1,925.80
  6. Step 6: Final answer
    x = 2,234.11

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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.