Home / 7,155.03-10,735.64-3,460.05

Finding the Fourth Proportional to 7,155.03, 10,735.64 and 3,460.05

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Solution

The fourth proportional to 7,155.03, 10,735.64 and 3,460.05 is: 5,191.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,155.03 : 10,735.64 = 3,460.05 : x
  2. Step 2: Convert to fraction form
    7,155.03/10,735.64 = 3,460.05/x
  3. Step 3: Cross multiply
    7,155.03x = 10,735.64 × 3,460.05
  4. Step 4: Simplify right side
    7,155.03x = 37,145,846.86
  5. Step 5: Solve for x
    x = 37,145,846.86/7,155.03
  6. Step 6: Final answer
    x = 5,191.57

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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.