Home / 5,901.77-8,143.49-3,779.16

Finding the Fourth Proportional to 5,901.77, 8,143.49 and 3,779.16

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Solution

The fourth proportional to 5,901.77, 8,143.49 and 3,779.16 is: 5,214.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,901.77 : 8,143.49 = 3,779.16 : x
  2. Step 2: Convert to fraction form
    5,901.77/8,143.49 = 3,779.16/x
  3. Step 3: Cross multiply
    5,901.77x = 8,143.49 × 3,779.16
  4. Step 4: Simplify right side
    5,901.77x = 30,775,532.77
  5. Step 5: Solve for x
    x = 30,775,532.77/5,901.77
  6. Step 6: Final answer
    x = 5,214.63

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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.