Home / 5,048.40-7,569.36-2,125.92

Finding the Fourth Proportional to 5,048.40, 7,569.36 and 2,125.92

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Solution

The fourth proportional to 5,048.40, 7,569.36 and 2,125.92 is: 3,187.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,048.40 : 7,569.36 = 2,125.92 : x
  2. Step 2: Convert to fraction form
    5,048.40/7,569.36 = 2,125.92/x
  3. Step 3: Cross multiply
    5,048.40x = 7,569.36 × 2,125.92
  4. Step 4: Simplify right side
    5,048.40x = 16,091,853.81
  5. Step 5: Solve for x
    x = 16,091,853.81/5,048.40
  6. Step 6: Final answer
    x = 3,187.52

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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.