Home / 1,724.44-2,586.20-750.32

Finding the Fourth Proportional to 1,724.44, 2,586.20 and 750.32

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Solution

The fourth proportional to 1,724.44, 2,586.20 and 750.32 is: 1,125.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724.44 : 2,586.20 = 750.32 : x
  2. Step 2: Convert to fraction form
    1,724.44/2,586.20 = 750.32/x
  3. Step 3: Cross multiply
    1,724.44x = 2,586.20 × 750.32
  4. Step 4: Simplify right side
    1,724.44x = 1,940,477.58
  5. Step 5: Solve for x
    x = 1,940,477.58/1,724.44
  6. Step 6: Final answer
    x = 1,125.28

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1.5x scale

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.