Home / 4,915.82-6,783.89-2,677.71

Finding the Fourth Proportional to 4,915.82, 6,783.89 and 2,677.71

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Solution

The fourth proportional to 4,915.82, 6,783.89 and 2,677.71 is: 3,695.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.82 : 6,783.89 = 2,677.71 : x
  2. Step 2: Convert to fraction form
    4,915.82/6,783.89 = 2,677.71/x
  3. Step 3: Cross multiply
    4,915.82x = 6,783.89 × 2,677.71
  4. Step 4: Simplify right side
    4,915.82x = 18,165,312.18
  5. Step 5: Solve for x
    x = 18,165,312.18/4,915.82
  6. Step 6: Final answer
    x = 3,695.28

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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.