Home / 2,964.13-4,090.50-1,637.80

Finding the Fourth Proportional to 2,964.13, 4,090.50 and 1,637.80

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Solution

The fourth proportional to 2,964.13, 4,090.50 and 1,637.80 is: 2,260.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,964.13 : 4,090.50 = 1,637.80 : x
  2. Step 2: Convert to fraction form
    2,964.13/4,090.50 = 1,637.80/x
  3. Step 3: Cross multiply
    2,964.13x = 4,090.50 × 1,637.80
  4. Step 4: Simplify right side
    2,964.13x = 6,699,420.90
  5. Step 5: Solve for x
    x = 6,699,420.90/2,964.13
  6. Step 6: Final answer
    x = 2,260.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.