Home / 5,922.81-8,174.07-4,428.18

Finding the Fourth Proportional to 5,922.81, 8,174.07 and 4,428.18

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Solution

The fourth proportional to 5,922.81, 8,174.07 and 4,428.18 is: 6,111.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,922.81 : 8,174.07 = 4,428.18 : x
  2. Step 2: Convert to fraction form
    5,922.81/8,174.07 = 4,428.18/x
  3. Step 3: Cross multiply
    5,922.81x = 8,174.07 × 4,428.18
  4. Step 4: Simplify right side
    5,922.81x = 36,196,253.29
  5. Step 5: Solve for x
    x = 36,196,253.29/5,922.81
  6. Step 6: Final answer
    x = 6,111.33

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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.