Home / 3,530.93-4,872.61-2,038.75

Finding the Fourth Proportional to 3,530.93, 4,872.61 and 2,038.75

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Solution

The fourth proportional to 3,530.93, 4,872.61 and 2,038.75 is: 2,813.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.93 : 4,872.61 = 2,038.75 : x
  2. Step 2: Convert to fraction form
    3,530.93/4,872.61 = 2,038.75/x
  3. Step 3: Cross multiply
    3,530.93x = 4,872.61 × 2,038.75
  4. Step 4: Simplify right side
    3,530.93x = 9,934,033.64
  5. Step 5: Solve for x
    x = 9,934,033.64/3,530.93
  6. Step 6: Final answer
    x = 2,813.43

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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.