Home / 7,287.04-10,055.66-4,099.80

Finding the Fourth Proportional to 7,287.04, 10,055.66 and 4,099.80

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Solution

The fourth proportional to 7,287.04, 10,055.66 and 4,099.80 is: 5,657.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,287.04 : 10,055.66 = 4,099.80 : x
  2. Step 2: Convert to fraction form
    7,287.04/10,055.66 = 4,099.80/x
  3. Step 3: Cross multiply
    7,287.04x = 10,055.66 × 4,099.80
  4. Step 4: Simplify right side
    7,287.04x = 41,226,194.87
  5. Step 5: Solve for x
    x = 41,226,194.87/7,287.04
  6. Step 6: Final answer
    x = 5,657.47

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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.