Home / 3,534.96-4,878.09-1,963.16

Finding the Fourth Proportional to 3,534.96, 4,878.09 and 1,963.16

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Solution

The fourth proportional to 3,534.96, 4,878.09 and 1,963.16 is: 2,709.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,534.96 : 4,878.09 = 1,963.16 : x
  2. Step 2: Convert to fraction form
    3,534.96/4,878.09 = 1,963.16/x
  3. Step 3: Cross multiply
    3,534.96x = 4,878.09 × 1,963.16
  4. Step 4: Simplify right side
    3,534.96x = 9,576,471.16
  5. Step 5: Solve for x
    x = 9,576,471.16/3,534.96
  6. Step 6: Final answer
    x = 2,709.07

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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.