Home / 3,090.13-4,264.69-1,764.04

Finding the Fourth Proportional to 3,090.13, 4,264.69 and 1,764.04

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Solution

The fourth proportional to 3,090.13, 4,264.69 and 1,764.04 is: 2,434.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.13 : 4,264.69 = 1,764.04 : x
  2. Step 2: Convert to fraction form
    3,090.13/4,264.69 = 1,764.04/x
  3. Step 3: Cross multiply
    3,090.13x = 4,264.69 × 1,764.04
  4. Step 4: Simplify right side
    3,090.13x = 7,523,083.75
  5. Step 5: Solve for x
    x = 7,523,083.75/3,090.13
  6. Step 6: Final answer
    x = 2,434.55

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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.