Home / 3,530.54-4,872.78-2,038.25

Finding the Fourth Proportional to 3,530.54, 4,872.78 and 2,038.25

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Solution

The fourth proportional to 3,530.54, 4,872.78 and 2,038.25 is: 2,813.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.54 : 4,872.78 = 2,038.25 : x
  2. Step 2: Convert to fraction form
    3,530.54/4,872.78 = 2,038.25/x
  3. Step 3: Cross multiply
    3,530.54x = 4,872.78 × 2,038.25
  4. Step 4: Simplify right side
    3,530.54x = 9,931,943.84
  5. Step 5: Solve for x
    x = 9,931,943.84/3,530.54
  6. Step 6: Final answer
    x = 2,813.15

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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.