Home / 5,032.40-7,550.40-2,111.60

Finding the Fourth Proportional to 5,032.40, 7,550.40 and 2,111.60

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Solution

The fourth proportional to 5,032.40, 7,550.40 and 2,111.60 is: 3,168.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,032.40 : 7,550.40 = 2,111.60 : x
  2. Step 2: Convert to fraction form
    5,032.40/7,550.40 = 2,111.60/x
  3. Step 3: Cross multiply
    5,032.40x = 7,550.40 × 2,111.60
  4. Step 4: Simplify right side
    5,032.40x = 15,943,424.64
  5. Step 5: Solve for x
    x = 15,943,424.64/5,032.40
  6. Step 6: Final answer
    x = 3,168.16

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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.