Home / 2,025.87-2,795.70-1,175.28

Finding the Fourth Proportional to 2,025.87, 2,795.70 and 1,175.28

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Solution

The fourth proportional to 2,025.87, 2,795.70 and 1,175.28 is: 1,621.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,025.87 : 2,795.70 = 1,175.28 : x
  2. Step 2: Convert to fraction form
    2,025.87/2,795.70 = 1,175.28/x
  3. Step 3: Cross multiply
    2,025.87x = 2,795.70 × 1,175.28
  4. Step 4: Simplify right side
    2,025.87x = 3,285,724.42
  5. Step 5: Solve for x
    x = 3,285,724.42/2,025.87
  6. Step 6: Final answer
    x = 1,621.89

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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.