Home / 7,539.75-10,404.86-4,395.33

Finding the Fourth Proportional to 7,539.75, 10,404.86 and 4,395.33

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Solution

The fourth proportional to 7,539.75, 10,404.86 and 4,395.33 is: 6,065.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,539.75 : 10,404.86 = 4,395.33 : x
  2. Step 2: Convert to fraction form
    7,539.75/10,404.86 = 4,395.33/x
  3. Step 3: Cross multiply
    7,539.75x = 10,404.86 × 4,395.33
  4. Step 4: Simplify right side
    7,539.75x = 45,732,771.33
  5. Step 5: Solve for x
    x = 45,732,771.33/7,539.75
  6. Step 6: Final answer
    x = 6,065.56

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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.