Home / 5,011.74-7,520.65-2,090.00

Finding the Fourth Proportional to 5,011.74, 7,520.65 and 2,090.00

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Solution

The fourth proportional to 5,011.74, 7,520.65 and 2,090.00 is: 3,136.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011.74 : 7,520.65 = 2,090.00 : x
  2. Step 2: Convert to fraction form
    5,011.74/7,520.65 = 2,090.00/x
  3. Step 3: Cross multiply
    5,011.74x = 7,520.65 × 2,090.00
  4. Step 4: Simplify right side
    5,011.74x = 15,718,172.08
  5. Step 5: Solve for x
    x = 15,718,172.08/5,011.74
  6. Step 6: Final answer
    x = 3,136.27

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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.