Home / 5,398.67-7,450.58-3,009.36

Finding the Fourth Proportional to 5,398.67, 7,450.58 and 3,009.36

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Solution

The fourth proportional to 5,398.67, 7,450.58 and 3,009.36 is: 4,153.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,398.67 : 7,450.58 = 3,009.36 : x
  2. Step 2: Convert to fraction form
    5,398.67/7,450.58 = 3,009.36/x
  3. Step 3: Cross multiply
    5,398.67x = 7,450.58 × 3,009.36
  4. Step 4: Simplify right side
    5,398.67x = 22,421,462.38
  5. Step 5: Solve for x
    x = 22,421,462.38/5,398.67
  6. Step 6: Final answer
    x = 4,153.15

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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.