Home / 4,684.23-7,057.60-4,240.05

Finding the Fourth Proportional to 4,684.23, 7,057.60 and 4,240.05

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Solution

The fourth proportional to 4,684.23, 7,057.60 and 4,240.05 is: 6,388.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,684.23 : 7,057.60 = 4,240.05 : x
  2. Step 2: Convert to fraction form
    4,684.23/7,057.60 = 4,240.05/x
  3. Step 3: Cross multiply
    4,684.23x = 7,057.60 × 4,240.05
  4. Step 4: Simplify right side
    4,684.23x = 29,924,539.81
  5. Step 5: Solve for x
    x = 29,924,539.81/4,684.23
  6. Step 6: Final answer
    x = 6,388.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.