Home / 5,470.03-7,548.68-3,112.32

Finding the Fourth Proportional to 5,470.03, 7,548.68 and 3,112.32

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Solution

The fourth proportional to 5,470.03, 7,548.68 and 3,112.32 is: 4,295.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470.03 : 7,548.68 = 3,112.32 : x
  2. Step 2: Convert to fraction form
    5,470.03/7,548.68 = 3,112.32/x
  3. Step 3: Cross multiply
    5,470.03x = 7,548.68 × 3,112.32
  4. Step 4: Simplify right side
    5,470.03x = 23,493,907.74
  5. Step 5: Solve for x
    x = 23,493,907.74/5,470.03
  6. Step 6: Final answer
    x = 4,295.02

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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.