Home / 5,315.27-7,334.89-2,957.36

Finding the Fourth Proportional to 5,315.27, 7,334.89 and 2,957.36

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Solution

The fourth proportional to 5,315.27, 7,334.89 and 2,957.36 is: 4,081.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315.27 : 7,334.89 = 2,957.36 : x
  2. Step 2: Convert to fraction form
    5,315.27/7,334.89 = 2,957.36/x
  3. Step 3: Cross multiply
    5,315.27x = 7,334.89 × 2,957.36
  4. Step 4: Simplify right side
    5,315.27x = 21,691,866.22
  5. Step 5: Solve for x
    x = 21,691,866.22/5,315.27
  6. Step 6: Final answer
    x = 4,081.05

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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.