Home / 5,389.87-7,438.26-3,032.01

Finding the Fourth Proportional to 5,389.87, 7,438.26 and 3,032.01

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Solution

The fourth proportional to 5,389.87, 7,438.26 and 3,032.01 is: 4,184.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389.87 : 7,438.26 = 3,032.01 : x
  2. Step 2: Convert to fraction form
    5,389.87/7,438.26 = 3,032.01/x
  3. Step 3: Cross multiply
    5,389.87x = 7,438.26 × 3,032.01
  4. Step 4: Simplify right side
    5,389.87x = 22,552,878.70
  5. Step 5: Solve for x
    x = 22,552,878.70/5,389.87
  6. Step 6: Final answer
    x = 4,184.31

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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.