Home / 4,953.81-7,428.94-2,320.86

Finding the Fourth Proportional to 4,953.81, 7,428.94 and 2,320.86

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Solution

The fourth proportional to 4,953.81, 7,428.94 and 2,320.86 is: 3,480.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,953.81 : 7,428.94 = 2,320.86 : x
  2. Step 2: Convert to fraction form
    4,953.81/7,428.94 = 2,320.86/x
  3. Step 3: Cross multiply
    4,953.81x = 7,428.94 × 2,320.86
  4. Step 4: Simplify right side
    4,953.81x = 17,241,529.69
  5. Step 5: Solve for x
    x = 17,241,529.69/4,953.81
  6. Step 6: Final answer
    x = 3,480.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.