Home / 7,281.39-10,049.91-4,628.28

Finding the Fourth Proportional to 7,281.39, 10,049.91 and 4,628.28

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Solution

The fourth proportional to 7,281.39, 10,049.91 and 4,628.28 is: 6,388.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,281.39 : 10,049.91 = 4,628.28 : x
  2. Step 2: Convert to fraction form
    7,281.39/10,049.91 = 4,628.28/x
  3. Step 3: Cross multiply
    7,281.39x = 10,049.91 × 4,628.28
  4. Step 4: Simplify right side
    7,281.39x = 46,513,797.45
  5. Step 5: Solve for x
    x = 46,513,797.45/7,281.39
  6. Step 6: Final answer
    x = 6,388.04

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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.