Home / 6,269.72-8,649.43-4,031.18

Finding the Fourth Proportional to 6,269.72, 8,649.43 and 4,031.18

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Solution

The fourth proportional to 6,269.72, 8,649.43 and 4,031.18 is: 5,561.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,269.72 : 8,649.43 = 4,031.18 : x
  2. Step 2: Convert to fraction form
    6,269.72/8,649.43 = 4,031.18/x
  3. Step 3: Cross multiply
    6,269.72x = 8,649.43 × 4,031.18
  4. Step 4: Simplify right side
    6,269.72x = 34,867,409.23
  5. Step 5: Solve for x
    x = 34,867,409.23/6,269.72
  6. Step 6: Final answer
    x = 5,561.24

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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.