Home / 6,124.28-8,455.56-4,705.43

Finding the Fourth Proportional to 6,124.28, 8,455.56 and 4,705.43

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Solution

The fourth proportional to 6,124.28, 8,455.56 and 4,705.43 is: 6,496.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,124.28 : 8,455.56 = 4,705.43 : x
  2. Step 2: Convert to fraction form
    6,124.28/8,455.56 = 4,705.43/x
  3. Step 3: Cross multiply
    6,124.28x = 8,455.56 × 4,705.43
  4. Step 4: Simplify right side
    6,124.28x = 39,787,045.69
  5. Step 5: Solve for x
    x = 39,787,045.69/6,124.28
  6. Step 6: Final answer
    x = 6,496.61

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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.