Home / 2,929.31-4,393.91-737.99

Finding the Fourth Proportional to 2,929.31, 4,393.91 and 737.99

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Solution

The fourth proportional to 2,929.31, 4,393.91 and 737.99 is: 1,106.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.31 : 4,393.91 = 737.99 : x
  2. Step 2: Convert to fraction form
    2,929.31/4,393.91 = 737.99/x
  3. Step 3: Cross multiply
    2,929.31x = 4,393.91 × 737.99
  4. Step 4: Simplify right side
    2,929.31x = 3,242,657.99
  5. Step 5: Solve for x
    x = 3,242,657.99/2,929.31
  6. Step 6: Final answer
    x = 1,106.97

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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.