Home / 5,041.56-7,562.38-1,578.81

Finding the Fourth Proportional to 5,041.56, 7,562.38 and 1,578.81

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Solution

The fourth proportional to 5,041.56, 7,562.38 and 1,578.81 is: 2,368.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,041.56 : 7,562.38 = 1,578.81 : x
  2. Step 2: Convert to fraction form
    5,041.56/7,562.38 = 1,578.81/x
  3. Step 3: Cross multiply
    5,041.56x = 7,562.38 × 1,578.81
  4. Step 4: Simplify right side
    5,041.56x = 11,939,561.17
  5. Step 5: Solve for x
    x = 11,939,561.17/5,041.56
  6. Step 6: Final answer
    x = 2,368.23

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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.