Home / 5,847.78-8,070.36-3,490.26

Finding the Fourth Proportional to 5,847.78, 8,070.36 and 3,490.26

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Solution

The fourth proportional to 5,847.78, 8,070.36 and 3,490.26 is: 4,816.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,847.78 : 8,070.36 = 3,490.26 : x
  2. Step 2: Convert to fraction form
    5,847.78/8,070.36 = 3,490.26/x
  3. Step 3: Cross multiply
    5,847.78x = 8,070.36 × 3,490.26
  4. Step 4: Simplify right side
    5,847.78x = 28,167,654.69
  5. Step 5: Solve for x
    x = 28,167,654.69/5,847.78
  6. Step 6: Final answer
    x = 4,816.81

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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.