Home / 4,915.11-7,366.81-3,426.28

Finding the Fourth Proportional to 4,915.11, 7,366.81 and 3,426.28

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Solution

The fourth proportional to 4,915.11, 7,366.81 and 3,426.28 is: 5,135.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.11 : 7,366.81 = 3,426.28 : x
  2. Step 2: Convert to fraction form
    4,915.11/7,366.81 = 3,426.28/x
  3. Step 3: Cross multiply
    4,915.11x = 7,366.81 × 3,426.28
  4. Step 4: Simplify right side
    4,915.11x = 25,240,753.77
  5. Step 5: Solve for x
    x = 25,240,753.77/4,915.11
  6. Step 6: Final answer
    x = 5,135.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.