Home / 5,352.13-8,031.53-2,579.09

Finding the Fourth Proportional to 5,352.13, 8,031.53 and 2,579.09

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Solution

The fourth proportional to 5,352.13, 8,031.53 and 2,579.09 is: 3,870.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,352.13 : 8,031.53 = 2,579.09 : x
  2. Step 2: Convert to fraction form
    5,352.13/8,031.53 = 2,579.09/x
  3. Step 3: Cross multiply
    5,352.13x = 8,031.53 × 2,579.09
  4. Step 4: Simplify right side
    5,352.13x = 20,714,038.71
  5. Step 5: Solve for x
    x = 20,714,038.71/5,352.13
  6. Step 6: Final answer
    x = 3,870.24

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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.