Home / 4,628.73-6,381-3,300.13

Finding the Fourth Proportional to 4,628.73, 6,381 and 3,300.13

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Solution

The fourth proportional to 4,628.73, 6,381 and 3,300.13 is: 4,549.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,628.73 : 6,381 = 3,300.13 : x
  2. Step 2: Convert to fraction form
    4,628.73/6,381 = 3,300.13/x
  3. Step 3: Cross multiply
    4,628.73x = 6,381 × 3,300.13
  4. Step 4: Simplify right side
    4,628.73x = 21,058,129.53
  5. Step 5: Solve for x
    x = 21,058,129.53/4,628.73
  6. Step 6: Final answer
    x = 4,549.44

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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.