Home / 6,203.36-8,561.90-5,705.21

Finding the Fourth Proportional to 6,203.36, 8,561.90 and 5,705.21

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Solution

The fourth proportional to 6,203.36, 8,561.90 and 5,705.21 is: 7,874.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,203.36 : 8,561.90 = 5,705.21 : x
  2. Step 2: Convert to fraction form
    6,203.36/8,561.90 = 5,705.21/x
  3. Step 3: Cross multiply
    6,203.36x = 8,561.90 × 5,705.21
  4. Step 4: Simplify right side
    6,203.36x = 48,847,437.50
  5. Step 5: Solve for x
    x = 48,847,437.50/6,203.36
  6. Step 6: Final answer
    x = 7,874.35

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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.