Home / 5,808.98-8,016.40-3,156.34

Finding the Fourth Proportional to 5,808.98, 8,016.40 and 3,156.34

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Solution

The fourth proportional to 5,808.98, 8,016.40 and 3,156.34 is: 4,355.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,808.98 : 8,016.40 = 3,156.34 : x
  2. Step 2: Convert to fraction form
    5,808.98/8,016.40 = 3,156.34/x
  3. Step 3: Cross multiply
    5,808.98x = 8,016.40 × 3,156.34
  4. Step 4: Simplify right side
    5,808.98x = 25,302,483.98
  5. Step 5: Solve for x
    x = 25,302,483.98/5,808.98
  6. Step 6: Final answer
    x = 4,355.75

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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.