Home / 3,530.31-4,872.32-2,038.22

Finding the Fourth Proportional to 3,530.31, 4,872.32 and 2,038.22

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Solution

The fourth proportional to 3,530.31, 4,872.32 and 2,038.22 is: 2,813.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.31 : 4,872.32 = 2,038.22 : x
  2. Step 2: Convert to fraction form
    3,530.31/4,872.32 = 2,038.22/x
  3. Step 3: Cross multiply
    3,530.31x = 4,872.32 × 2,038.22
  4. Step 4: Simplify right side
    3,530.31x = 9,930,860.07
  5. Step 5: Solve for x
    x = 9,930,860.07/3,530.31
  6. Step 6: Final answer
    x = 2,813.03

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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.