Home / 5,636.84-8,457.20-2,519.00

Finding the Fourth Proportional to 5,636.84, 8,457.20 and 2,519.00

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Solution

The fourth proportional to 5,636.84, 8,457.20 and 2,519.00 is: 3,779.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,636.84 : 8,457.20 = 2,519.00 : x
  2. Step 2: Convert to fraction form
    5,636.84/8,457.20 = 2,519.00/x
  3. Step 3: Cross multiply
    5,636.84x = 8,457.20 × 2,519.00
  4. Step 4: Simplify right side
    5,636.84x = 21,303,631.92
  5. Step 5: Solve for x
    x = 21,303,631.92/5,636.84
  6. Step 6: Final answer
    x = 3,779.36

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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.