Home / 5,398.63-7,450.13-3,040.81

Finding the Fourth Proportional to 5,398.63, 7,450.13 and 3,040.81

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Solution

The fourth proportional to 5,398.63, 7,450.13 and 3,040.81 is: 4,196.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,398.63 : 7,450.13 = 3,040.81 : x
  2. Step 2: Convert to fraction form
    5,398.63/7,450.13 = 3,040.81/x
  3. Step 3: Cross multiply
    5,398.63x = 7,450.13 × 3,040.81
  4. Step 4: Simplify right side
    5,398.63x = 22,654,429.81
  5. Step 5: Solve for x
    x = 22,654,429.81/5,398.63
  6. Step 6: Final answer
    x = 4,196.33

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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.