Home / 5,331.36-7,356.76-2,973.65

Finding the Fourth Proportional to 5,331.36, 7,356.76 and 2,973.65

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Solution

The fourth proportional to 5,331.36, 7,356.76 and 2,973.65 is: 4,103.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,331.36 : 7,356.76 = 2,973.65 : x
  2. Step 2: Convert to fraction form
    5,331.36/7,356.76 = 2,973.65/x
  3. Step 3: Cross multiply
    5,331.36x = 7,356.76 × 2,973.65
  4. Step 4: Simplify right side
    5,331.36x = 21,876,429.37
  5. Step 5: Solve for x
    x = 21,876,429.37/5,331.36
  6. Step 6: Final answer
    x = 4,103.35

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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.