Home / 7,384.02-10,188.81-4,197.48

Finding the Fourth Proportional to 7,384.02, 10,188.81 and 4,197.48

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Solution

The fourth proportional to 7,384.02, 10,188.81 and 4,197.48 is: 5,791.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,384.02 : 10,188.81 = 4,197.48 : x
  2. Step 2: Convert to fraction form
    7,384.02/10,188.81 = 4,197.48/x
  3. Step 3: Cross multiply
    7,384.02x = 10,188.81 × 4,197.48
  4. Step 4: Simplify right side
    7,384.02x = 42,767,326.20
  5. Step 5: Solve for x
    x = 42,767,326.20/7,384.02
  6. Step 6: Final answer
    x = 5,791.88

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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.