Home / 3,154.28-4,353.64-1,828.70

Finding the Fourth Proportional to 3,154.28, 4,353.64 and 1,828.70

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Solution

The fourth proportional to 3,154.28, 4,353.64 and 1,828.70 is: 2,524.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.28 : 4,353.64 = 1,828.70 : x
  2. Step 2: Convert to fraction form
    3,154.28/4,353.64 = 1,828.70/x
  3. Step 3: Cross multiply
    3,154.28x = 4,353.64 × 1,828.70
  4. Step 4: Simplify right side
    3,154.28x = 7,961,501.47
  5. Step 5: Solve for x
    x = 7,961,501.47/3,154.28
  6. Step 6: Final answer
    x = 2,524.03

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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.