Home / 5,146.50-7,103.40-3,051.84

Finding the Fourth Proportional to 5,146.50, 7,103.40 and 3,051.84

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Solution

The fourth proportional to 5,146.50, 7,103.40 and 3,051.84 is: 4,212.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146.50 : 7,103.40 = 3,051.84 : x
  2. Step 2: Convert to fraction form
    5,146.50/7,103.40 = 3,051.84/x
  3. Step 3: Cross multiply
    5,146.50x = 7,103.40 × 3,051.84
  4. Step 4: Simplify right side
    5,146.50x = 21,678,440.26
  5. Step 5: Solve for x
    x = 21,678,440.26/5,146.50
  6. Step 6: Final answer
    x = 4,212.27

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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.