Home / 3,530.16-4,871.43-2,038.54

Finding the Fourth Proportional to 3,530.16, 4,871.43 and 2,038.54

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Solution

The fourth proportional to 3,530.16, 4,871.43 and 2,038.54 is: 2,813.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.16 : 4,871.43 = 2,038.54 : x
  2. Step 2: Convert to fraction form
    3,530.16/4,871.43 = 2,038.54/x
  3. Step 3: Cross multiply
    3,530.16x = 4,871.43 × 2,038.54
  4. Step 4: Simplify right side
    3,530.16x = 9,930,604.91
  5. Step 5: Solve for x
    x = 9,930,604.91/3,530.16
  6. Step 6: Final answer
    x = 2,813.08

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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.