Home / 3,353.81-4,628.47-1,937.56

Finding the Fourth Proportional to 3,353.81, 4,628.47 and 1,937.56

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Solution

The fourth proportional to 3,353.81, 4,628.47 and 1,937.56 is: 2,673.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,353.81 : 4,628.47 = 1,937.56 : x
  2. Step 2: Convert to fraction form
    3,353.81/4,628.47 = 1,937.56/x
  3. Step 3: Cross multiply
    3,353.81x = 4,628.47 × 1,937.56
  4. Step 4: Simplify right side
    3,353.81x = 8,967,915.19
  5. Step 5: Solve for x
    x = 8,967,915.19/3,353.81
  6. Step 6: Final answer
    x = 2,673.95

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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.