Home / 5,337.09-7,365.24-2,979.36

Finding the Fourth Proportional to 5,337.09, 7,365.24 and 2,979.36

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Solution

The fourth proportional to 5,337.09, 7,365.24 and 2,979.36 is: 4,111.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,337.09 : 7,365.24 = 2,979.36 : x
  2. Step 2: Convert to fraction form
    5,337.09/7,365.24 = 2,979.36/x
  3. Step 3: Cross multiply
    5,337.09x = 7,365.24 × 2,979.36
  4. Step 4: Simplify right side
    5,337.09x = 21,943,701.45
  5. Step 5: Solve for x
    x = 21,943,701.45/5,337.09
  6. Step 6: Final answer
    x = 4,111.55

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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.