Home / 3,389.14-4,676.32-1,973.06

Finding the Fourth Proportional to 3,389.14, 4,676.32 and 1,973.06

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Solution

The fourth proportional to 3,389.14, 4,676.32 and 1,973.06 is: 2,722.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389.14 : 4,676.32 = 1,973.06 : x
  2. Step 2: Convert to fraction form
    3,389.14/4,676.32 = 1,973.06/x
  3. Step 3: Cross multiply
    3,389.14x = 4,676.32 × 1,973.06
  4. Step 4: Simplify right side
    3,389.14x = 9,226,631.62
  5. Step 5: Solve for x
    x = 9,226,631.62/3,389.14
  6. Step 6: Final answer
    x = 2,722.41

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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.