Home / 5,166.92-7,130.50-3,176.35

Finding the Fourth Proportional to 5,166.92, 7,130.50 and 3,176.35

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Solution

The fourth proportional to 5,166.92, 7,130.50 and 3,176.35 is: 4,383.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,166.92 : 7,130.50 = 3,176.35 : x
  2. Step 2: Convert to fraction form
    5,166.92/7,130.50 = 3,176.35/x
  3. Step 3: Cross multiply
    5,166.92x = 7,130.50 × 3,176.35
  4. Step 4: Simplify right side
    5,166.92x = 22,648,937.91
  5. Step 5: Solve for x
    x = 22,648,937.91/5,166.92
  6. Step 6: Final answer
    x = 4,383.45

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Half scale
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Double scale
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Similar ratio
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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.