Home / 5,112.48-7,048.08-4,323.36

Finding the Fourth Proportional to 5,112.48, 7,048.08 and 4,323.36

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Solution

The fourth proportional to 5,112.48, 7,048.08 and 4,323.36 is: 5,960.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112.48 : 7,048.08 = 4,323.36 : x
  2. Step 2: Convert to fraction form
    5,112.48/7,048.08 = 4,323.36/x
  3. Step 3: Cross multiply
    5,112.48x = 7,048.08 × 4,323.36
  4. Step 4: Simplify right side
    5,112.48x = 30,471,387.15
  5. Step 5: Solve for x
    x = 30,471,387.15/5,112.48
  6. Step 6: Final answer
    x = 5,960.20

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1.5x scale

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.