Home / 3,815.50-5,722.57-1,735.02

Finding the Fourth Proportional to 3,815.50, 5,722.57 and 1,735.02

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Solution

The fourth proportional to 3,815.50, 5,722.57 and 1,735.02 is: 2,602.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.50 : 5,722.57 = 1,735.02 : x
  2. Step 2: Convert to fraction form
    3,815.50/5,722.57 = 1,735.02/x
  3. Step 3: Cross multiply
    3,815.50x = 5,722.57 × 1,735.02
  4. Step 4: Simplify right side
    3,815.50x = 9,928,773.40
  5. Step 5: Solve for x
    x = 9,928,773.40/3,815.50
  6. Step 6: Final answer
    x = 2,602.22

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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.