Home / 3,323.40-4,586.40-1,831.47

Finding the Fourth Proportional to 3,323.40, 4,586.40 and 1,831.47

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Solution

The fourth proportional to 3,323.40, 4,586.40 and 1,831.47 is: 2,527.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,323.40 : 4,586.40 = 1,831.47 : x
  2. Step 2: Convert to fraction form
    3,323.40/4,586.40 = 1,831.47/x
  3. Step 3: Cross multiply
    3,323.40x = 4,586.40 × 1,831.47
  4. Step 4: Simplify right side
    3,323.40x = 8,399,854.01
  5. Step 5: Solve for x
    x = 8,399,854.01/3,323.40
  6. Step 6: Final answer
    x = 2,527.49

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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.