Home / 6,323.12-8,725.85-3,490.49

Finding the Fourth Proportional to 6,323.12, 8,725.85 and 3,490.49

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Solution

The fourth proportional to 6,323.12, 8,725.85 and 3,490.49 is: 4,816.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,323.12 : 8,725.85 = 3,490.49 : x
  2. Step 2: Convert to fraction form
    6,323.12/8,725.85 = 3,490.49/x
  3. Step 3: Cross multiply
    6,323.12x = 8,725.85 × 3,490.49
  4. Step 4: Simplify right side
    6,323.12x = 30,457,474.71
  5. Step 5: Solve for x
    x = 30,457,474.71/6,323.12
  6. Step 6: Final answer
    x = 4,816.85

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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.