Home / 3,090.84-4,265.61-1,764.45

Finding the Fourth Proportional to 3,090.84, 4,265.61 and 1,764.45

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Solution

The fourth proportional to 3,090.84, 4,265.61 and 1,764.45 is: 2,435.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.84 : 4,265.61 = 1,764.45 : x
  2. Step 2: Convert to fraction form
    3,090.84/4,265.61 = 1,764.45/x
  3. Step 3: Cross multiply
    3,090.84x = 4,265.61 × 1,764.45
  4. Step 4: Simplify right side
    3,090.84x = 7,526,455.56
  5. Step 5: Solve for x
    x = 7,526,455.56/3,090.84
  6. Step 6: Final answer
    x = 2,435.08

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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.