Home / 6,123.42-8,450.28-3,328.92

Finding the Fourth Proportional to 6,123.42, 8,450.28 and 3,328.92

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Solution

The fourth proportional to 6,123.42, 8,450.28 and 3,328.92 is: 4,593.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,123.42 : 8,450.28 = 3,328.92 : x
  2. Step 2: Convert to fraction form
    6,123.42/8,450.28 = 3,328.92/x
  3. Step 3: Cross multiply
    6,123.42x = 8,450.28 × 3,328.92
  4. Step 4: Simplify right side
    6,123.42x = 28,130,306.10
  5. Step 5: Solve for x
    x = 28,130,306.10/6,123.42
  6. Step 6: Final answer
    x = 4,593.89

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Half scale
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Double scale
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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.