Home / 6,110.64-8,436.15-3,988.24

Finding the Fourth Proportional to 6,110.64, 8,436.15 and 3,988.24

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Solution

The fourth proportional to 6,110.64, 8,436.15 and 3,988.24 is: 5,506.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,110.64 : 8,436.15 = 3,988.24 : x
  2. Step 2: Convert to fraction form
    6,110.64/8,436.15 = 3,988.24/x
  3. Step 3: Cross multiply
    6,110.64x = 8,436.15 × 3,988.24
  4. Step 4: Simplify right side
    6,110.64x = 33,645,369.79
  5. Step 5: Solve for x
    x = 33,645,369.79/6,110.64
  6. Step 6: Final answer
    x = 5,506.03

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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.