Home / 3,572.32-5,345.88-2,185.24

Finding the Fourth Proportional to 3,572.32, 5,345.88 and 2,185.24

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Solution

The fourth proportional to 3,572.32, 5,345.88 and 2,185.24 is: 3,270.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572.32 : 5,345.88 = 2,185.24 : x
  2. Step 2: Convert to fraction form
    3,572.32/5,345.88 = 2,185.24/x
  3. Step 3: Cross multiply
    3,572.32x = 5,345.88 × 2,185.24
  4. Step 4: Simplify right side
    3,572.32x = 11,682,030.81
  5. Step 5: Solve for x
    x = 11,682,030.81/3,572.32
  6. Step 6: Final answer
    x = 3,270.15

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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.