Home / 7,451.32-11,177.54-2,519.32

Finding the Fourth Proportional to 7,451.32, 11,177.54 and 2,519.32

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Solution

The fourth proportional to 7,451.32, 11,177.54 and 2,519.32 is: 3,779.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,451.32 : 11,177.54 = 2,519.32 : x
  2. Step 2: Convert to fraction form
    7,451.32/11,177.54 = 2,519.32/x
  3. Step 3: Cross multiply
    7,451.32x = 11,177.54 × 2,519.32
  4. Step 4: Simplify right side
    7,451.32x = 28,159,800.07
  5. Step 5: Solve for x
    x = 28,159,800.07/7,451.32
  6. Step 6: Final answer
    x = 3,779.17

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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.