Home / 4,913.71-7,332.81-4,388.22

Finding the Fourth Proportional to 4,913.71, 7,332.81 and 4,388.22

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Solution

The fourth proportional to 4,913.71, 7,332.81 and 4,388.22 is: 6,548.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,913.71 : 7,332.81 = 4,388.22 : x
  2. Step 2: Convert to fraction form
    4,913.71/7,332.81 = 4,388.22/x
  3. Step 3: Cross multiply
    4,913.71x = 7,332.81 × 4,388.22
  4. Step 4: Simplify right side
    4,913.71x = 32,177,983.50
  5. Step 5: Solve for x
    x = 32,177,983.50/4,913.71
  6. Step 6: Final answer
    x = 6,548.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.