Home / 3,565.98-5,345.13-1,485.43

Finding the Fourth Proportional to 3,565.98, 5,345.13 and 1,485.43

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Solution

The fourth proportional to 3,565.98, 5,345.13 and 1,485.43 is: 2,226.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,565.98 : 5,345.13 = 1,485.43 : x
  2. Step 2: Convert to fraction form
    3,565.98/5,345.13 = 1,485.43/x
  3. Step 3: Cross multiply
    3,565.98x = 5,345.13 × 1,485.43
  4. Step 4: Simplify right side
    3,565.98x = 7,939,816.46
  5. Step 5: Solve for x
    x = 7,939,816.46/3,565.98
  6. Step 6: Final answer
    x = 2,226.55

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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.