Home / 5,718.48-8,579.88-2,258.16

Finding the Fourth Proportional to 5,718.48, 8,579.88 and 2,258.16

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Solution

The fourth proportional to 5,718.48, 8,579.88 and 2,258.16 is: 3,388.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,718.48 : 8,579.88 = 2,258.16 : x
  2. Step 2: Convert to fraction form
    5,718.48/8,579.88 = 2,258.16/x
  3. Step 3: Cross multiply
    5,718.48x = 8,579.88 × 2,258.16
  4. Step 4: Simplify right side
    5,718.48x = 19,374,741.82
  5. Step 5: Solve for x
    x = 19,374,741.82/5,718.48
  6. Step 6: Final answer
    x = 3,388.09

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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.