Home / 3,655.34-5,033.75-3,176.57

Finding the Fourth Proportional to 3,655.34, 5,033.75 and 3,176.57

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Solution

The fourth proportional to 3,655.34, 5,033.75 and 3,176.57 is: 4,374.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.34 : 5,033.75 = 3,176.57 : x
  2. Step 2: Convert to fraction form
    3,655.34/5,033.75 = 3,176.57/x
  3. Step 3: Cross multiply
    3,655.34x = 5,033.75 × 3,176.57
  4. Step 4: Simplify right side
    3,655.34x = 15,990,059.48
  5. Step 5: Solve for x
    x = 15,990,059.48/3,655.34
  6. Step 6: Final answer
    x = 4,374.44

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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.