Home / 5,608.88-7,740.60-4,675.76

Finding the Fourth Proportional to 5,608.88, 7,740.60 and 4,675.76

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Solution

The fourth proportional to 5,608.88, 7,740.60 and 4,675.76 is: 6,452.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,608.88 : 7,740.60 = 4,675.76 : x
  2. Step 2: Convert to fraction form
    5,608.88/7,740.60 = 4,675.76/x
  3. Step 3: Cross multiply
    5,608.88x = 7,740.60 × 4,675.76
  4. Step 4: Simplify right side
    5,608.88x = 36,193,187.86
  5. Step 5: Solve for x
    x = 36,193,187.86/5,608.88
  6. Step 6: Final answer
    x = 6,452.84

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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.