Home / 4,875.30-6,725.94-3,106.56

Finding the Fourth Proportional to 4,875.30, 6,725.94 and 3,106.56

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Solution

The fourth proportional to 4,875.30, 6,725.94 and 3,106.56 is: 4,285.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,875.30 : 6,725.94 = 3,106.56 : x
  2. Step 2: Convert to fraction form
    4,875.30/6,725.94 = 3,106.56/x
  3. Step 3: Cross multiply
    4,875.30x = 6,725.94 × 3,106.56
  4. Step 4: Simplify right side
    4,875.30x = 20,894,536.17
  5. Step 5: Solve for x
    x = 20,894,536.17/4,875.30
  6. Step 6: Final answer
    x = 4,285.79

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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.