Home / 6,555.20-9,046.56-3,760.32

Finding the Fourth Proportional to 6,555.20, 9,046.56 and 3,760.32

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Solution

The fourth proportional to 6,555.20, 9,046.56 and 3,760.32 is: 5,189.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,555.20 : 9,046.56 = 3,760.32 : x
  2. Step 2: Convert to fraction form
    6,555.20/9,046.56 = 3,760.32/x
  3. Step 3: Cross multiply
    6,555.20x = 9,046.56 × 3,760.32
  4. Step 4: Simplify right side
    6,555.20x = 34,017,960.50
  5. Step 5: Solve for x
    x = 34,017,960.50/6,555.20
  6. Step 6: Final answer
    x = 5,189.46

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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.