Home / 5,535.12-7,638.12-3,051.12

Finding the Fourth Proportional to 5,535.12, 7,638.12 and 3,051.12

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Solution

The fourth proportional to 5,535.12, 7,638.12 and 3,051.12 is: 4,210.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,535.12 : 7,638.12 = 3,051.12 : x
  2. Step 2: Convert to fraction form
    5,535.12/7,638.12 = 3,051.12/x
  3. Step 3: Cross multiply
    5,535.12x = 7,638.12 × 3,051.12
  4. Step 4: Simplify right side
    5,535.12x = 23,304,820.69
  5. Step 5: Solve for x
    x = 23,304,820.69/5,535.12
  6. Step 6: Final answer
    x = 4,210.36

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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.