Home / 2,825.08-3,898.56-1,583.08

Finding the Fourth Proportional to 2,825.08, 3,898.56 and 1,583.08

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Solution

The fourth proportional to 2,825.08, 3,898.56 and 1,583.08 is: 2,184.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825.08 : 3,898.56 = 1,583.08 : x
  2. Step 2: Convert to fraction form
    2,825.08/3,898.56 = 1,583.08/x
  3. Step 3: Cross multiply
    2,825.08x = 3,898.56 × 1,583.08
  4. Step 4: Simplify right side
    2,825.08x = 6,171,732.36
  5. Step 5: Solve for x
    x = 6,171,732.36/2,825.08
  6. Step 6: Final answer
    x = 2,184.62

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1.5x scale

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.