Home / 7,048.39-9,722.38-4,533.78

Finding the Fourth Proportional to 7,048.39, 9,722.38 and 4,533.78

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Solution

The fourth proportional to 7,048.39, 9,722.38 and 4,533.78 is: 6,253.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,048.39 : 9,722.38 = 4,533.78 : x
  2. Step 2: Convert to fraction form
    7,048.39/9,722.38 = 4,533.78/x
  3. Step 3: Cross multiply
    7,048.39x = 9,722.38 × 4,533.78
  4. Step 4: Simplify right side
    7,048.39x = 44,079,109.33
  5. Step 5: Solve for x
    x = 44,079,109.33/7,048.39
  6. Step 6: Final answer
    x = 6,253.78

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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.