Home / 5,718.44-8,579.76-1,970.58

Finding the Fourth Proportional to 5,718.44, 8,579.76 and 1,970.58

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Solution

The fourth proportional to 5,718.44, 8,579.76 and 1,970.58 is: 2,956.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,718.44 : 8,579.76 = 1,970.58 : x
  2. Step 2: Convert to fraction form
    5,718.44/8,579.76 = 1,970.58/x
  3. Step 3: Cross multiply
    5,718.44x = 8,579.76 × 1,970.58
  4. Step 4: Simplify right side
    5,718.44x = 16,907,088.30
  5. Step 5: Solve for x
    x = 16,907,088.30/5,718.44
  6. Step 6: Final answer
    x = 2,956.59

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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.