Home / 5,778.05-7,973.70-3,125.46

Finding the Fourth Proportional to 5,778.05, 7,973.70 and 3,125.46

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Solution

The fourth proportional to 5,778.05, 7,973.70 and 3,125.46 is: 4,313.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,778.05 : 7,973.70 = 3,125.46 : x
  2. Step 2: Convert to fraction form
    5,778.05/7,973.70 = 3,125.46/x
  3. Step 3: Cross multiply
    5,778.05x = 7,973.70 × 3,125.46
  4. Step 4: Simplify right side
    5,778.05x = 24,921,480.40
  5. Step 5: Solve for x
    x = 24,921,480.40/5,778.05
  6. Step 6: Final answer
    x = 4,313.13

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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.