Home / 4,079.60-5,629.52-2,401.07

Finding the Fourth Proportional to 4,079.60, 5,629.52 and 2,401.07

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Solution

The fourth proportional to 4,079.60, 5,629.52 and 2,401.07 is: 3,313.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.60 : 5,629.52 = 2,401.07 : x
  2. Step 2: Convert to fraction form
    4,079.60/5,629.52 = 2,401.07/x
  3. Step 3: Cross multiply
    4,079.60x = 5,629.52 × 2,401.07
  4. Step 4: Simplify right side
    4,079.60x = 13,516,831.43
  5. Step 5: Solve for x
    x = 13,516,831.43/4,079.60
  6. Step 6: Final answer
    x = 3,313.28

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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.