Home / 5,416.23-7,477.62-3,428.49

Finding the Fourth Proportional to 5,416.23, 7,477.62 and 3,428.49

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Solution

The fourth proportional to 5,416.23, 7,477.62 and 3,428.49 is: 4,733.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416.23 : 7,477.62 = 3,428.49 : x
  2. Step 2: Convert to fraction form
    5,416.23/7,477.62 = 3,428.49/x
  3. Step 3: Cross multiply
    5,416.23x = 7,477.62 × 3,428.49
  4. Step 4: Simplify right side
    5,416.23x = 25,636,945.39
  5. Step 5: Solve for x
    x = 25,636,945.39/5,416.23
  6. Step 6: Final answer
    x = 4,733.36

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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.