Home / 4,875.09-7,315.20-2,243.40

Finding the Fourth Proportional to 4,875.09, 7,315.20 and 2,243.40

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Solution

The fourth proportional to 4,875.09, 7,315.20 and 2,243.40 is: 3,366.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,875.09 : 7,315.20 = 2,243.40 : x
  2. Step 2: Convert to fraction form
    4,875.09/7,315.20 = 2,243.40/x
  3. Step 3: Cross multiply
    4,875.09x = 7,315.20 × 2,243.40
  4. Step 4: Simplify right side
    4,875.09x = 16,410,919.68
  5. Step 5: Solve for x
    x = 16,410,919.68/4,875.09
  6. Step 6: Final answer
    x = 3,366.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.