Home / 7,548.09-10,416.75-4,190.91

Finding the Fourth Proportional to 7,548.09, 10,416.75 and 4,190.91

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Solution

The fourth proportional to 7,548.09, 10,416.75 and 4,190.91 is: 5,783.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,548.09 : 10,416.75 = 4,190.91 : x
  2. Step 2: Convert to fraction form
    7,548.09/10,416.75 = 4,190.91/x
  3. Step 3: Cross multiply
    7,548.09x = 10,416.75 × 4,190.91
  4. Step 4: Simplify right side
    7,548.09x = 43,655,661.74
  5. Step 5: Solve for x
    x = 43,655,661.74/7,548.09
  6. Step 6: Final answer
    x = 5,783.67

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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.