Home / 6,143.14-8,477.53-3,490.55

Finding the Fourth Proportional to 6,143.14, 8,477.53 and 3,490.55

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Solution

The fourth proportional to 6,143.14, 8,477.53 and 3,490.55 is: 4,816.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143.14 : 8,477.53 = 3,490.55 : x
  2. Step 2: Convert to fraction form
    6,143.14/8,477.53 = 3,490.55/x
  3. Step 3: Cross multiply
    6,143.14x = 8,477.53 × 3,490.55
  4. Step 4: Simplify right side
    6,143.14x = 29,591,242.34
  5. Step 5: Solve for x
    x = 29,591,242.34/6,143.14
  6. Step 6: Final answer
    x = 4,816.96

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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.