Home / 7,425.20-10,247.64-4,281.50

Finding the Fourth Proportional to 7,425.20, 10,247.64 and 4,281.50

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Solution

The fourth proportional to 7,425.20, 10,247.64 and 4,281.50 is: 5,908.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,425.20 : 10,247.64 = 4,281.50 : x
  2. Step 2: Convert to fraction form
    7,425.20/10,247.64 = 4,281.50/x
  3. Step 3: Cross multiply
    7,425.20x = 10,247.64 × 4,281.50
  4. Step 4: Simplify right side
    7,425.20x = 43,875,270.66
  5. Step 5: Solve for x
    x = 43,875,270.66/7,425.20
  6. Step 6: Final answer
    x = 5,908.97

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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.