Home / 7,275.70-10,040.46-4,291.54

Finding the Fourth Proportional to 7,275.70, 10,040.46 and 4,291.54

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Solution

The fourth proportional to 7,275.70, 10,040.46 and 4,291.54 is: 5,922.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,275.70 : 10,040.46 = 4,291.54 : x
  2. Step 2: Convert to fraction form
    7,275.70/10,040.46 = 4,291.54/x
  3. Step 3: Cross multiply
    7,275.70x = 10,040.46 × 4,291.54
  4. Step 4: Simplify right side
    7,275.70x = 43,089,035.71
  5. Step 5: Solve for x
    x = 43,089,035.71/7,275.70
  6. Step 6: Final answer
    x = 5,922.32

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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.