Home / 7,802.73-10,766.59-4,399.60

Finding the Fourth Proportional to 7,802.73, 10,766.59 and 4,399.60

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Solution

The fourth proportional to 7,802.73, 10,766.59 and 4,399.60 is: 6,070.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,802.73 : 10,766.59 = 4,399.60 : x
  2. Step 2: Convert to fraction form
    7,802.73/10,766.59 = 4,399.60/x
  3. Step 3: Cross multiply
    7,802.73x = 10,766.59 × 4,399.60
  4. Step 4: Simplify right side
    7,802.73x = 47,368,635.53
  5. Step 5: Solve for x
    x = 47,368,635.53/7,802.73
  6. Step 6: Final answer
    x = 6,070.78

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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.