Home / 5,636.63-7,778.55-3,152.63

Finding the Fourth Proportional to 5,636.63, 7,778.55 and 3,152.63

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Solution

The fourth proportional to 5,636.63, 7,778.55 and 3,152.63 is: 4,350.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,636.63 : 7,778.55 = 3,152.63 : x
  2. Step 2: Convert to fraction form
    5,636.63/7,778.55 = 3,152.63/x
  3. Step 3: Cross multiply
    5,636.63x = 7,778.55 × 3,152.63
  4. Step 4: Simplify right side
    5,636.63x = 24,522,851.19
  5. Step 5: Solve for x
    x = 24,522,851.19/5,636.63
  6. Step 6: Final answer
    x = 4,350.63

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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.