Home / 5,475.30-7,555.91-2,957.41

Finding the Fourth Proportional to 5,475.30, 7,555.91 and 2,957.41

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Solution

The fourth proportional to 5,475.30, 7,555.91 and 2,957.41 is: 4,081.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.30 : 7,555.91 = 2,957.41 : x
  2. Step 2: Convert to fraction form
    5,475.30/7,555.91 = 2,957.41/x
  3. Step 3: Cross multiply
    5,475.30x = 7,555.91 × 2,957.41
  4. Step 4: Simplify right side
    5,475.30x = 22,345,923.79
  5. Step 5: Solve for x
    x = 22,345,923.79/5,475.30
  6. Step 6: Final answer
    x = 4,081.22

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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.