Home / 5,231.64-7,212.06-3,654.84

Finding the Fourth Proportional to 5,231.64, 7,212.06 and 3,654.84

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Solution

The fourth proportional to 5,231.64, 7,212.06 and 3,654.84 is: 5,038.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231.64 : 7,212.06 = 3,654.84 : x
  2. Step 2: Convert to fraction form
    5,231.64/7,212.06 = 3,654.84/x
  3. Step 3: Cross multiply
    5,231.64x = 7,212.06 × 3,654.84
  4. Step 4: Simplify right side
    5,231.64x = 26,358,925.37
  5. Step 5: Solve for x
    x = 26,358,925.37/5,231.64
  6. Step 6: Final answer
    x = 5,038.37

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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.