Home / 5,730.08-7,907.36-3,212.30

Finding the Fourth Proportional to 5,730.08, 7,907.36 and 3,212.30

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Solution

The fourth proportional to 5,730.08, 7,907.36 and 3,212.30 is: 4,432.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,730.08 : 7,907.36 = 3,212.30 : x
  2. Step 2: Convert to fraction form
    5,730.08/7,907.36 = 3,212.30/x
  3. Step 3: Cross multiply
    5,730.08x = 7,907.36 × 3,212.30
  4. Step 4: Simplify right side
    5,730.08x = 25,400,756.93
  5. Step 5: Solve for x
    x = 25,400,756.93/5,730.08
  6. Step 6: Final answer
    x = 4,432.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.