Home / 3,530.42-4,871.71-2,038.56

Finding the Fourth Proportional to 3,530.42, 4,871.71 and 2,038.56

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Solution

The fourth proportional to 3,530.42, 4,871.71 and 2,038.56 is: 2,813.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.42 : 4,871.71 = 2,038.56 : x
  2. Step 2: Convert to fraction form
    3,530.42/4,871.71 = 2,038.56/x
  3. Step 3: Cross multiply
    3,530.42x = 4,871.71 × 2,038.56
  4. Step 4: Simplify right side
    3,530.42x = 9,931,273.14
  5. Step 5: Solve for x
    x = 9,931,273.14/3,530.42
  6. Step 6: Final answer
    x = 2,813.06

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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.