Home / 4,861.81-7,290.87-1,574.02

Finding the Fourth Proportional to 4,861.81, 7,290.87 and 1,574.02

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Solution

The fourth proportional to 4,861.81, 7,290.87 and 1,574.02 is: 2,360.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,861.81 : 7,290.87 = 1,574.02 : x
  2. Step 2: Convert to fraction form
    4,861.81/7,290.87 = 1,574.02/x
  3. Step 3: Cross multiply
    4,861.81x = 7,290.87 × 1,574.02
  4. Step 4: Simplify right side
    4,861.81x = 11,475,975.20
  5. Step 5: Solve for x
    x = 11,475,975.20/4,861.81
  6. Step 6: Final answer
    x = 2,360.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.