Home / 7,772.08-10,725.54-4,628.38

Finding the Fourth Proportional to 7,772.08, 10,725.54 and 4,628.38

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Solution

The fourth proportional to 7,772.08, 10,725.54 and 4,628.38 is: 6,387.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772.08 : 10,725.54 = 4,628.38 : x
  2. Step 2: Convert to fraction form
    7,772.08/10,725.54 = 4,628.38/x
  3. Step 3: Cross multiply
    7,772.08x = 10,725.54 × 4,628.38
  4. Step 4: Simplify right side
    7,772.08x = 49,641,874.83
  5. Step 5: Solve for x
    x = 49,641,874.83/7,772.08
  6. Step 6: Final answer
    x = 6,387.21

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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.