Home / 3,265.11-4,896.45-1,316.25

Finding the Fourth Proportional to 3,265.11, 4,896.45 and 1,316.25

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Solution

The fourth proportional to 3,265.11, 4,896.45 and 1,316.25 is: 1,973.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,265.11 : 4,896.45 = 1,316.25 : x
  2. Step 2: Convert to fraction form
    3,265.11/4,896.45 = 1,316.25/x
  3. Step 3: Cross multiply
    3,265.11x = 4,896.45 × 1,316.25
  4. Step 4: Simplify right side
    3,265.11x = 6,444,952.31
  5. Step 5: Solve for x
    x = 6,444,952.31/3,265.11
  6. Step 6: Final answer
    x = 1,973.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.