Home / 5,688.98-7,847.64-3,330.68

Finding the Fourth Proportional to 5,688.98, 7,847.64 and 3,330.68

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Solution

The fourth proportional to 5,688.98, 7,847.64 and 3,330.68 is: 4,594.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,688.98 : 7,847.64 = 3,330.68 : x
  2. Step 2: Convert to fraction form
    5,688.98/7,847.64 = 3,330.68/x
  3. Step 3: Cross multiply
    5,688.98x = 7,847.64 × 3,330.68
  4. Step 4: Simplify right side
    5,688.98x = 26,137,977.60
  5. Step 5: Solve for x
    x = 26,137,977.60/5,688.98
  6. Step 6: Final answer
    x = 4,594.49

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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.