Home / 7,355.25-11,035.31-2,970.32

Finding the Fourth Proportional to 7,355.25, 11,035.31 and 2,970.32

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Solution

The fourth proportional to 7,355.25, 11,035.31 and 2,970.32 is: 4,456.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,355.25 : 11,035.31 = 2,970.32 : x
  2. Step 2: Convert to fraction form
    7,355.25/11,035.31 = 2,970.32/x
  3. Step 3: Cross multiply
    7,355.25x = 11,035.31 × 2,970.32
  4. Step 4: Simplify right side
    7,355.25x = 32,778,331.97
  5. Step 5: Solve for x
    x = 32,778,331.97/7,355.25
  6. Step 6: Final answer
    x = 4,456.45

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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.