Home / 7,840.22-10,819.39-4,483.35

Finding the Fourth Proportional to 7,840.22, 10,819.39 and 4,483.35

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Solution

The fourth proportional to 7,840.22, 10,819.39 and 4,483.35 is: 6,186.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,840.22 : 10,819.39 = 4,483.35 : x
  2. Step 2: Convert to fraction form
    7,840.22/10,819.39 = 4,483.35/x
  3. Step 3: Cross multiply
    7,840.22x = 10,819.39 × 4,483.35
  4. Step 4: Simplify right side
    7,840.22x = 48,507,090.44
  5. Step 5: Solve for x
    x = 48,507,090.44/7,840.22
  6. Step 6: Final answer
    x = 6,186.95

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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.