Home / 3,003.48-4,140.18-2,258.28

Finding the Fourth Proportional to 3,003.48, 4,140.18 and 2,258.28

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Solution

The fourth proportional to 3,003.48, 4,140.18 and 2,258.28 is: 3,112.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,003.48 : 4,140.18 = 2,258.28 : x
  2. Step 2: Convert to fraction form
    3,003.48/4,140.18 = 2,258.28/x
  3. Step 3: Cross multiply
    3,003.48x = 4,140.18 × 2,258.28
  4. Step 4: Simplify right side
    3,003.48x = 9,349,685.69
  5. Step 5: Solve for x
    x = 9,349,685.69/3,003.48
  6. Step 6: Final answer
    x = 3,112.95

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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.