Home / 6,107.55-8,424.05-3,750.45

Finding the Fourth Proportional to 6,107.55, 8,424.05 and 3,750.45

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Solution

The fourth proportional to 6,107.55, 8,424.05 and 3,750.45 is: 5,172.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,107.55 : 8,424.05 = 3,750.45 : x
  2. Step 2: Convert to fraction form
    6,107.55/8,424.05 = 3,750.45/x
  3. Step 3: Cross multiply
    6,107.55x = 8,424.05 × 3,750.45
  4. Step 4: Simplify right side
    6,107.55x = 31,593,959.57
  5. Step 5: Solve for x
    x = 31,593,959.57/6,107.55
  6. Step 6: Final answer
    x = 5,172.94

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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.