Home / 3,530.16-4,871.34-1,936.55

Finding the Fourth Proportional to 3,530.16, 4,871.34 and 1,936.55

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Solution

The fourth proportional to 3,530.16, 4,871.34 and 1,936.55 is: 2,672.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.16 : 4,871.34 = 1,936.55 : x
  2. Step 2: Convert to fraction form
    3,530.16/4,871.34 = 1,936.55/x
  3. Step 3: Cross multiply
    3,530.16x = 4,871.34 × 1,936.55
  4. Step 4: Simplify right side
    3,530.16x = 9,433,569.12
  5. Step 5: Solve for x
    x = 9,433,569.12/3,530.16
  6. Step 6: Final answer
    x = 2,672.28

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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.