Home / 4,108.51-6,161.55-1,186.84

Finding the Fourth Proportional to 4,108.51, 6,161.55 and 1,186.84

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Solution

The fourth proportional to 4,108.51, 6,161.55 and 1,186.84 is: 1,779.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,108.51 : 6,161.55 = 1,186.84 : x
  2. Step 2: Convert to fraction form
    4,108.51/6,161.55 = 1,186.84/x
  3. Step 3: Cross multiply
    4,108.51x = 6,161.55 × 1,186.84
  4. Step 4: Simplify right side
    4,108.51x = 7,312,774.00
  5. Step 5: Solve for x
    x = 7,312,774.00/4,108.51
  6. Step 6: Final answer
    x = 1,779.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.