Home / 2,973.30-4,101.84-2,089.68

Finding the Fourth Proportional to 2,973.30, 4,101.84 and 2,089.68

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Solution

The fourth proportional to 2,973.30, 4,101.84 and 2,089.68 is: 2,882.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,973.30 : 4,101.84 = 2,089.68 : x
  2. Step 2: Convert to fraction form
    2,973.30/4,101.84 = 2,089.68/x
  3. Step 3: Cross multiply
    2,973.30x = 4,101.84 × 2,089.68
  4. Step 4: Simplify right side
    2,973.30x = 8,571,533.01
  5. Step 5: Solve for x
    x = 8,571,533.01/2,973.30
  6. Step 6: Final answer
    x = 2,882.83

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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.