Home / 6,253.94-8,630.28-3,421.33

Finding the Fourth Proportional to 6,253.94, 8,630.28 and 3,421.33

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Solution

The fourth proportional to 6,253.94, 8,630.28 and 3,421.33 is: 4,721.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,253.94 : 8,630.28 = 3,421.33 : x
  2. Step 2: Convert to fraction form
    6,253.94/8,630.28 = 3,421.33/x
  3. Step 3: Cross multiply
    6,253.94x = 8,630.28 × 3,421.33
  4. Step 4: Simplify right side
    6,253.94x = 29,527,035.87
  5. Step 5: Solve for x
    x = 29,527,035.87/6,253.94
  6. Step 6: Final answer
    x = 4,721.35

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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.