Home / 5,050.97-6,970.38-2,812.84

Finding the Fourth Proportional to 5,050.97, 6,970.38 and 2,812.84

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Solution

The fourth proportional to 5,050.97, 6,970.38 and 2,812.84 is: 3,881.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,050.97 : 6,970.38 = 2,812.84 : x
  2. Step 2: Convert to fraction form
    5,050.97/6,970.38 = 2,812.84/x
  3. Step 3: Cross multiply
    5,050.97x = 6,970.38 × 2,812.84
  4. Step 4: Simplify right side
    5,050.97x = 19,606,563.68
  5. Step 5: Solve for x
    x = 19,606,563.68/5,050.97
  6. Step 6: Final answer
    x = 3,881.74

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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.