Home / 5,748.68-7,934.10-3,390.44

Finding the Fourth Proportional to 5,748.68, 7,934.10 and 3,390.44

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Solution

The fourth proportional to 5,748.68, 7,934.10 and 3,390.44 is: 4,679.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,748.68 : 7,934.10 = 3,390.44 : x
  2. Step 2: Convert to fraction form
    5,748.68/7,934.10 = 3,390.44/x
  3. Step 3: Cross multiply
    5,748.68x = 7,934.10 × 3,390.44
  4. Step 4: Simplify right side
    5,748.68x = 26,900,090.00
  5. Step 5: Solve for x
    x = 26,900,090.00/5,748.68
  6. Step 6: Final answer
    x = 4,679.35

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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.