Home / 5,613.71-8,409.77-3,141.03

Finding the Fourth Proportional to 5,613.71, 8,409.77 and 3,141.03

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Solution

The fourth proportional to 5,613.71, 8,409.77 and 3,141.03 is: 4,705.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,613.71 : 8,409.77 = 3,141.03 : x
  2. Step 2: Convert to fraction form
    5,613.71/8,409.77 = 3,141.03/x
  3. Step 3: Cross multiply
    5,613.71x = 8,409.77 × 3,141.03
  4. Step 4: Simplify right side
    5,613.71x = 26,415,339.86
  5. Step 5: Solve for x
    x = 26,415,339.86/5,613.71
  6. Step 6: Final answer
    x = 4,705.50

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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.