Home / 7,475.72-10,316.37-4,289.60

Finding the Fourth Proportional to 7,475.72, 10,316.37 and 4,289.60

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Solution

The fourth proportional to 7,475.72, 10,316.37 and 4,289.60 is: 5,919.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.72 : 10,316.37 = 4,289.60 : x
  2. Step 2: Convert to fraction form
    7,475.72/10,316.37 = 4,289.60/x
  3. Step 3: Cross multiply
    7,475.72x = 10,316.37 × 4,289.60
  4. Step 4: Simplify right side
    7,475.72x = 44,253,100.75
  5. Step 5: Solve for x
    x = 44,253,100.75/7,475.72
  6. Step 6: Final answer
    x = 5,919.58

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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.