Home / 6,175.05-8,518.95-3,784.11

Finding the Fourth Proportional to 6,175.05, 8,518.95 and 3,784.11

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Solution

The fourth proportional to 6,175.05, 8,518.95 and 3,784.11 is: 5,220.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,175.05 : 8,518.95 = 3,784.11 : x
  2. Step 2: Convert to fraction form
    6,175.05/8,518.95 = 3,784.11/x
  3. Step 3: Cross multiply
    6,175.05x = 8,518.95 × 3,784.11
  4. Step 4: Simplify right side
    6,175.05x = 32,236,643.88
  5. Step 5: Solve for x
    x = 32,236,643.88/6,175.05
  6. Step 6: Final answer
    x = 5,220.47

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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.