Home / 5,705.03-8,557.40-4,321.00

Finding the Fourth Proportional to 5,705.03, 8,557.40 and 4,321.00

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Solution

The fourth proportional to 5,705.03, 8,557.40 and 4,321.00 is: 6,481.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,705.03 : 8,557.40 = 4,321.00 : x
  2. Step 2: Convert to fraction form
    5,705.03/8,557.40 = 4,321.00/x
  3. Step 3: Cross multiply
    5,705.03x = 8,557.40 × 4,321.00
  4. Step 4: Simplify right side
    5,705.03x = 36,976,474.46
  5. Step 5: Solve for x
    x = 36,976,474.46/5,705.03
  6. Step 6: Final answer
    x = 6,481.38

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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.