Home / 4,350.60-5,999.42-3,870.56

Finding the Fourth Proportional to 4,350.60, 5,999.42 and 3,870.56

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Solution

The fourth proportional to 4,350.60, 5,999.42 and 3,870.56 is: 5,337.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,350.60 : 5,999.42 = 3,870.56 : x
  2. Step 2: Convert to fraction form
    4,350.60/5,999.42 = 3,870.56/x
  3. Step 3: Cross multiply
    4,350.60x = 5,999.42 × 3,870.56
  4. Step 4: Simplify right side
    4,350.60x = 23,221,139.75
  5. Step 5: Solve for x
    x = 23,221,139.75/4,350.60
  6. Step 6: Final answer
    x = 5,337.46

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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.