Home / 5,090.63-7,636.77-1,803.02

Finding the Fourth Proportional to 5,090.63, 7,636.77 and 1,803.02

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Solution

The fourth proportional to 5,090.63, 7,636.77 and 1,803.02 is: 2,704.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090.63 : 7,636.77 = 1,803.02 : x
  2. Step 2: Convert to fraction form
    5,090.63/7,636.77 = 1,803.02/x
  3. Step 3: Cross multiply
    5,090.63x = 7,636.77 × 1,803.02
  4. Step 4: Simplify right side
    5,090.63x = 13,769,210.86
  5. Step 5: Solve for x
    x = 13,769,210.86/5,090.63
  6. Step 6: Final answer
    x = 2,704.82

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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.