Home / 5,678.06-7,835.98-3,160.33

Finding the Fourth Proportional to 5,678.06, 7,835.98 and 3,160.33

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Solution

The fourth proportional to 5,678.06, 7,835.98 and 3,160.33 is: 4,361.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678.06 : 7,835.98 = 3,160.33 : x
  2. Step 2: Convert to fraction form
    5,678.06/7,835.98 = 3,160.33/x
  3. Step 3: Cross multiply
    5,678.06x = 7,835.98 × 3,160.33
  4. Step 4: Simplify right side
    5,678.06x = 24,764,250.00
  5. Step 5: Solve for x
    x = 24,764,250.00/5,678.06
  6. Step 6: Final answer
    x = 4,361.40

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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.