Home / 5,355.25-7,393.68-3,676.12

Finding the Fourth Proportional to 5,355.25, 7,393.68 and 3,676.12

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Solution

The fourth proportional to 5,355.25, 7,393.68 and 3,676.12 is: 5,075.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355.25 : 7,393.68 = 3,676.12 : x
  2. Step 2: Convert to fraction form
    5,355.25/7,393.68 = 3,676.12/x
  3. Step 3: Cross multiply
    5,355.25x = 7,393.68 × 3,676.12
  4. Step 4: Simplify right side
    5,355.25x = 27,180,036.44
  5. Step 5: Solve for x
    x = 27,180,036.44/5,355.25
  6. Step 6: Final answer
    x = 5,075.40

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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.