Home / 7,370.22-11,055.31-2,987.67

Finding the Fourth Proportional to 7,370.22, 11,055.31 and 2,987.67

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Solution

The fourth proportional to 7,370.22, 11,055.31 and 2,987.67 is: 4,481.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,370.22 : 11,055.31 = 2,987.67 : x
  2. Step 2: Convert to fraction form
    7,370.22/11,055.31 = 2,987.67/x
  3. Step 3: Cross multiply
    7,370.22x = 11,055.31 × 2,987.67
  4. Step 4: Simplify right side
    7,370.22x = 33,029,547.81
  5. Step 5: Solve for x
    x = 33,029,547.81/7,370.22
  6. Step 6: Final answer
    x = 4,481.49

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Double scale
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Similar ratio
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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.