Home / 5,920.24-8,858.40-3,456.16

Finding the Fourth Proportional to 5,920.24, 8,858.40 and 3,456.16

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Solution

The fourth proportional to 5,920.24, 8,858.40 and 3,456.16 is: 5,171.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.24 : 8,858.40 = 3,456.16 : x
  2. Step 2: Convert to fraction form
    5,920.24/8,858.40 = 3,456.16/x
  3. Step 3: Cross multiply
    5,920.24x = 8,858.40 × 3,456.16
  4. Step 4: Simplify right side
    5,920.24x = 30,616,047.74
  5. Step 5: Solve for x
    x = 30,616,047.74/5,920.24
  6. Step 6: Final answer
    x = 5,171.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.