Home / 5,106.48-7,656.38-2,146.32

Finding the Fourth Proportional to 5,106.48, 7,656.38 and 2,146.32

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Solution

The fourth proportional to 5,106.48, 7,656.38 and 2,146.32 is: 3,218.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106.48 : 7,656.38 = 2,146.32 : x
  2. Step 2: Convert to fraction form
    5,106.48/7,656.38 = 2,146.32/x
  3. Step 3: Cross multiply
    5,106.48x = 7,656.38 × 2,146.32
  4. Step 4: Simplify right side
    5,106.48x = 16,433,041.52
  5. Step 5: Solve for x
    x = 16,433,041.52/5,106.48
  6. Step 6: Final answer
    x = 3,218.08

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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.