Home / 5,356.96-8,040.63-2,585.58

Finding the Fourth Proportional to 5,356.96, 8,040.63 and 2,585.58

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Solution

The fourth proportional to 5,356.96, 8,040.63 and 2,585.58 is: 3,880.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,356.96 : 8,040.63 = 2,585.58 : x
  2. Step 2: Convert to fraction form
    5,356.96/8,040.63 = 2,585.58/x
  3. Step 3: Cross multiply
    5,356.96x = 8,040.63 × 2,585.58
  4. Step 4: Simplify right side
    5,356.96x = 20,789,679.19
  5. Step 5: Solve for x
    x = 20,789,679.19/5,356.96
  6. Step 6: Final answer
    x = 3,880.88

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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.