Home / 3,530.14-4,871.88-2,038.12

Finding the Fourth Proportional to 3,530.14, 4,871.88 and 2,038.12

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Solution

The fourth proportional to 3,530.14, 4,871.88 and 2,038.12 is: 2,812.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.14 : 4,871.88 = 2,038.12 : x
  2. Step 2: Convert to fraction form
    3,530.14/4,871.88 = 2,038.12/x
  3. Step 3: Cross multiply
    3,530.14x = 4,871.88 × 2,038.12
  4. Step 4: Simplify right side
    3,530.14x = 9,929,476.07
  5. Step 5: Solve for x
    x = 9,929,476.07/3,530.14
  6. Step 6: Final answer
    x = 2,812.77

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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.