Home / 2,355.15-3,532.73-1,972.43

Finding the Fourth Proportional to 2,355.15, 3,532.73 and 1,972.43

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Solution

The fourth proportional to 2,355.15, 3,532.73 and 1,972.43 is: 2,958.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,355.15 : 3,532.73 = 1,972.43 : x
  2. Step 2: Convert to fraction form
    2,355.15/3,532.73 = 1,972.43/x
  3. Step 3: Cross multiply
    2,355.15x = 3,532.73 × 1,972.43
  4. Step 4: Simplify right side
    2,355.15x = 6,968,035.11
  5. Step 5: Solve for x
    x = 6,968,035.11/2,355.15
  6. Step 6: Final answer
    x = 2,958.64

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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.