Home / 7,405.92-11,109.47-2,475.59

Finding the Fourth Proportional to 7,405.92, 11,109.47 and 2,475.59

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Solution

The fourth proportional to 7,405.92, 11,109.47 and 2,475.59 is: 3,713.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,405.92 : 11,109.47 = 2,475.59 : x
  2. Step 2: Convert to fraction form
    7,405.92/11,109.47 = 2,475.59/x
  3. Step 3: Cross multiply
    7,405.92x = 11,109.47 × 2,475.59
  4. Step 4: Simplify right side
    7,405.92x = 27,502,438.84
  5. Step 5: Solve for x
    x = 27,502,438.84/7,405.92
  6. Step 6: Final answer
    x = 3,713.57

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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.