Home / 7,365.25-11,050.31-2,980.32

Finding the Fourth Proportional to 7,365.25, 11,050.31 and 2,980.32

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Solution

The fourth proportional to 7,365.25, 11,050.31 and 2,980.32 is: 4,471.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,365.25 : 11,050.31 = 2,980.32 : x
  2. Step 2: Convert to fraction form
    7,365.25/11,050.31 = 2,980.32/x
  3. Step 3: Cross multiply
    7,365.25x = 11,050.31 × 2,980.32
  4. Step 4: Simplify right side
    7,365.25x = 32,933,459.90
  5. Step 5: Solve for x
    x = 32,933,459.90/7,365.25
  6. Step 6: Final answer
    x = 4,471.47

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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.