Home / 4,916.15-6,784.09-2,678.04

Finding the Fourth Proportional to 4,916.15, 6,784.09 and 2,678.04

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Solution

The fourth proportional to 4,916.15, 6,784.09 and 2,678.04 is: 3,695.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,916.15 : 6,784.09 = 2,678.04 : x
  2. Step 2: Convert to fraction form
    4,916.15/6,784.09 = 2,678.04/x
  3. Step 3: Cross multiply
    4,916.15x = 6,784.09 × 2,678.04
  4. Step 4: Simplify right side
    4,916.15x = 18,168,057.69
  5. Step 5: Solve for x
    x = 18,168,057.69/4,916.15
  6. Step 6: Final answer
    x = 3,695.59

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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.