Home / 4,077.21-6,117.18-1,613.19

Finding the Fourth Proportional to 4,077.21, 6,117.18 and 1,613.19

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Solution

The fourth proportional to 4,077.21, 6,117.18 and 1,613.19 is: 2,420.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.21 : 6,117.18 = 1,613.19 : x
  2. Step 2: Convert to fraction form
    4,077.21/6,117.18 = 1,613.19/x
  3. Step 3: Cross multiply
    4,077.21x = 6,117.18 × 1,613.19
  4. Step 4: Simplify right side
    4,077.21x = 9,868,173.60
  5. Step 5: Solve for x
    x = 9,868,173.60/4,077.21
  6. Step 6: Final answer
    x = 2,420.33

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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.