Home / 5,395.14-7,445.63-3,270.86

Finding the Fourth Proportional to 5,395.14, 7,445.63 and 3,270.86

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Solution

The fourth proportional to 5,395.14, 7,445.63 and 3,270.86 is: 4,513.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,395.14 : 7,445.63 = 3,270.86 : x
  2. Step 2: Convert to fraction form
    5,395.14/7,445.63 = 3,270.86/x
  3. Step 3: Cross multiply
    5,395.14x = 7,445.63 × 3,270.86
  4. Step 4: Simplify right side
    5,395.14x = 24,353,559.76
  5. Step 5: Solve for x
    x = 24,353,559.76/5,395.14
  6. Step 6: Final answer
    x = 4,513.98

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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.