Home / 4,815.28-7,220.62-3,059.32

Finding the Fourth Proportional to 4,815.28, 7,220.62 and 3,059.32

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Solution

The fourth proportional to 4,815.28, 7,220.62 and 3,059.32 is: 4,587.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.28 : 7,220.62 = 3,059.32 : x
  2. Step 2: Convert to fraction form
    4,815.28/7,220.62 = 3,059.32/x
  3. Step 3: Cross multiply
    4,815.28x = 7,220.62 × 3,059.32
  4. Step 4: Simplify right side
    4,815.28x = 22,090,187.18
  5. Step 5: Solve for x
    x = 22,090,187.18/4,815.28
  6. Step 6: Final answer
    x = 4,587.52

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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.