Home / 3,501.42-4,831.79-2,009.25

Finding the Fourth Proportional to 3,501.42, 4,831.79 and 2,009.25

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Solution

The fourth proportional to 3,501.42, 4,831.79 and 2,009.25 is: 2,772.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,501.42 : 4,831.79 = 2,009.25 : x
  2. Step 2: Convert to fraction form
    3,501.42/4,831.79 = 2,009.25/x
  3. Step 3: Cross multiply
    3,501.42x = 4,831.79 × 2,009.25
  4. Step 4: Simplify right side
    3,501.42x = 9,708,264.01
  5. Step 5: Solve for x
    x = 9,708,264.01/3,501.42
  6. Step 6: Final answer
    x = 2,772.66

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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.