Home / 6,211.61-8,572.31-3,559.01

Finding the Fourth Proportional to 6,211.61, 8,572.31 and 3,559.01

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Solution

The fourth proportional to 6,211.61, 8,572.31 and 3,559.01 is: 4,911.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,211.61 : 8,572.31 = 3,559.01 : x
  2. Step 2: Convert to fraction form
    6,211.61/8,572.31 = 3,559.01/x
  3. Step 3: Cross multiply
    6,211.61x = 8,572.31 × 3,559.01
  4. Step 4: Simplify right side
    6,211.61x = 30,508,876.36
  5. Step 5: Solve for x
    x = 30,508,876.36/6,211.61
  6. Step 6: Final answer
    x = 4,911.59

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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.