Home / 3,090.22-4,264.51-1,673.92

Finding the Fourth Proportional to 3,090.22, 4,264.51 and 1,673.92

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Solution

The fourth proportional to 3,090.22, 4,264.51 and 1,673.92 is: 2,310.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.22 : 4,264.51 = 1,673.92 : x
  2. Step 2: Convert to fraction form
    3,090.22/4,264.51 = 1,673.92/x
  3. Step 3: Cross multiply
    3,090.22x = 4,264.51 × 1,673.92
  4. Step 4: Simplify right side
    3,090.22x = 7,138,448.58
  5. Step 5: Solve for x
    x = 7,138,448.58/3,090.22
  6. Step 6: Final answer
    x = 2,310.01

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1.5x scale

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.