Home / 3,015.58-4,522.80-935.32

Finding the Fourth Proportional to 3,015.58, 4,522.80 and 935.32

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Solution

The fourth proportional to 3,015.58, 4,522.80 and 935.32 is: 1,402.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.58 : 4,522.80 = 935.32 : x
  2. Step 2: Convert to fraction form
    3,015.58/4,522.80 = 935.32/x
  3. Step 3: Cross multiply
    3,015.58x = 4,522.80 × 935.32
  4. Step 4: Simplify right side
    3,015.58x = 4,230,265.30
  5. Step 5: Solve for x
    x = 4,230,265.30/3,015.58
  6. Step 6: Final answer
    x = 1,402.80

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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.