Home / 3,135.48-4,703.24-944.20

Finding the Fourth Proportional to 3,135.48, 4,703.24 and 944.20

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Solution

The fourth proportional to 3,135.48, 4,703.24 and 944.20 is: 1,416.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.48 : 4,703.24 = 944.20 : x
  2. Step 2: Convert to fraction form
    3,135.48/4,703.24 = 944.20/x
  3. Step 3: Cross multiply
    3,135.48x = 4,703.24 × 944.20
  4. Step 4: Simplify right side
    3,135.48x = 4,440,799.21
  5. Step 5: Solve for x
    x = 4,440,799.21/3,135.48
  6. Step 6: Final answer
    x = 1,416.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.