Home / 5,908.48-8,153.93-3,390.39

Finding the Fourth Proportional to 5,908.48, 8,153.93 and 3,390.39

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Solution

The fourth proportional to 5,908.48, 8,153.93 and 3,390.39 is: 4,678.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,908.48 : 8,153.93 = 3,390.39 : x
  2. Step 2: Convert to fraction form
    5,908.48/8,153.93 = 3,390.39/x
  3. Step 3: Cross multiply
    5,908.48x = 8,153.93 × 3,390.39
  4. Step 4: Simplify right side
    5,908.48x = 27,645,011.21
  5. Step 5: Solve for x
    x = 27,645,011.21/5,908.48
  6. Step 6: Final answer
    x = 4,678.87

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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.