Home / 3,090.31-4,264.63-1,674.01

Finding the Fourth Proportional to 3,090.31, 4,264.63 and 1,674.01

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Solution

The fourth proportional to 3,090.31, 4,264.63 and 1,674.01 is: 2,310.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.31 : 4,264.63 = 1,674.01 : x
  2. Step 2: Convert to fraction form
    3,090.31/4,264.63 = 1,674.01/x
  3. Step 3: Cross multiply
    3,090.31x = 4,264.63 × 1,674.01
  4. Step 4: Simplify right side
    3,090.31x = 7,139,033.27
  5. Step 5: Solve for x
    x = 7,139,033.27/3,090.31
  6. Step 6: Final answer
    x = 2,310.13

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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.