Home / 5,326.36-7,345.40-4,209.97

Finding the Fourth Proportional to 5,326.36, 7,345.40 and 4,209.97

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Solution

The fourth proportional to 5,326.36, 7,345.40 and 4,209.97 is: 5,805.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,326.36 : 7,345.40 = 4,209.97 : x
  2. Step 2: Convert to fraction form
    5,326.36/7,345.40 = 4,209.97/x
  3. Step 3: Cross multiply
    5,326.36x = 7,345.40 × 4,209.97
  4. Step 4: Simplify right side
    5,326.36x = 30,923,913.64
  5. Step 5: Solve for x
    x = 30,923,913.64/5,326.36
  6. Step 6: Final answer
    x = 5,805.82

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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.