Home / 7,327.22-10,112.45-4,140.65

Finding the Fourth Proportional to 7,327.22, 10,112.45 and 4,140.65

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Solution

The fourth proportional to 7,327.22, 10,112.45 and 4,140.65 is: 5,714.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,327.22 : 10,112.45 = 4,140.65 : x
  2. Step 2: Convert to fraction form
    7,327.22/10,112.45 = 4,140.65/x
  3. Step 3: Cross multiply
    7,327.22x = 10,112.45 × 4,140.65
  4. Step 4: Simplify right side
    7,327.22x = 41,872,116.09
  5. Step 5: Solve for x
    x = 41,872,116.09/7,327.22
  6. Step 6: Final answer
    x = 5,714.60

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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.