Home / 7,384.52-10,190.30-4,197.76

Finding the Fourth Proportional to 7,384.52, 10,190.30 and 4,197.76

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Solution

The fourth proportional to 7,384.52, 10,190.30 and 4,197.76 is: 5,792.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,384.52 : 10,190.30 = 4,197.76 : x
  2. Step 2: Convert to fraction form
    7,384.52/10,190.30 = 4,197.76/x
  3. Step 3: Cross multiply
    7,384.52x = 10,190.30 × 4,197.76
  4. Step 4: Simplify right side
    7,384.52x = 42,776,387.26
  5. Step 5: Solve for x
    x = 42,776,387.26/7,384.52
  6. Step 6: Final answer
    x = 5,792.71

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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.