Home / 5,809.94-8,017.74-3,157.35

Finding the Fourth Proportional to 5,809.94, 8,017.74 and 3,157.35

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Solution

The fourth proportional to 5,809.94, 8,017.74 and 3,157.35 is: 4,357.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,809.94 : 8,017.74 = 3,157.35 : x
  2. Step 2: Convert to fraction form
    5,809.94/8,017.74 = 3,157.35/x
  3. Step 3: Cross multiply
    5,809.94x = 8,017.74 × 3,157.35
  4. Step 4: Simplify right side
    5,809.94x = 25,314,811.39
  5. Step 5: Solve for x
    x = 25,314,811.39/5,809.94
  6. Step 6: Final answer
    x = 4,357.16

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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.