Home / 5,810.05-8,017.82-3,157.40

Finding the Fourth Proportional to 5,810.05, 8,017.82 and 3,157.40

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Solution

The fourth proportional to 5,810.05, 8,017.82 and 3,157.40 is: 4,357.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,810.05 : 8,017.82 = 3,157.40 : x
  2. Step 2: Convert to fraction form
    5,810.05/8,017.82 = 3,157.40/x
  3. Step 3: Cross multiply
    5,810.05x = 8,017.82 × 3,157.40
  4. Step 4: Simplify right side
    5,810.05x = 25,315,469.13
  5. Step 5: Solve for x
    x = 25,315,469.13/5,810.05
  6. Step 6: Final answer
    x = 4,357.19

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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.