Home / 5,122.04-7,064.78-3,419.69

Finding the Fourth Proportional to 5,122.04, 7,064.78 and 3,419.69

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Solution

The fourth proportional to 5,122.04, 7,064.78 and 3,419.69 is: 4,716.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122.04 : 7,064.78 = 3,419.69 : x
  2. Step 2: Convert to fraction form
    5,122.04/7,064.78 = 3,419.69/x
  3. Step 3: Cross multiply
    5,122.04x = 7,064.78 × 3,419.69
  4. Step 4: Simplify right side
    5,122.04x = 24,159,357.52
  5. Step 5: Solve for x
    x = 24,159,357.52/5,122.04
  6. Step 6: Final answer
    x = 4,716.75

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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.