Home / 5,739.30-7,920.18-3,501.03

Finding the Fourth Proportional to 5,739.30, 7,920.18 and 3,501.03

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Solution

The fourth proportional to 5,739.30, 7,920.18 and 3,501.03 is: 4,831.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,739.30 : 7,920.18 = 3,501.03 : x
  2. Step 2: Convert to fraction form
    5,739.30/7,920.18 = 3,501.03/x
  3. Step 3: Cross multiply
    5,739.30x = 7,920.18 × 3,501.03
  4. Step 4: Simplify right side
    5,739.30x = 27,728,787.79
  5. Step 5: Solve for x
    x = 27,728,787.79/5,739.30
  6. Step 6: Final answer
    x = 4,831.39

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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.