Home / 5,231.02-7,215.79-3,133.93

Finding the Fourth Proportional to 5,231.02, 7,215.79 and 3,133.93

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Solution

The fourth proportional to 5,231.02, 7,215.79 and 3,133.93 is: 4,323.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231.02 : 7,215.79 = 3,133.93 : x
  2. Step 2: Convert to fraction form
    5,231.02/7,215.79 = 3,133.93/x
  3. Step 3: Cross multiply
    5,231.02x = 7,215.79 × 3,133.93
  4. Step 4: Simplify right side
    5,231.02x = 22,613,729.01
  5. Step 5: Solve for x
    x = 22,613,729.01/5,231.02
  6. Step 6: Final answer
    x = 4,323.01

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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.