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Finding the Fourth Proportional to 6,130.76, 8,460.99 and 3,479.00

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Solution

The fourth proportional to 6,130.76, 8,460.99 and 3,479.00 is: 4,801.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,130.76 : 8,460.99 = 3,479.00 : x
  2. Step 2: Convert to fraction form
    6,130.76/8,460.99 = 3,479.00/x
  3. Step 3: Cross multiply
    6,130.76x = 8,460.99 × 3,479.00
  4. Step 4: Simplify right side
    6,130.76x = 29,435,741.91
  5. Step 5: Solve for x
    x = 29,435,741.91/6,130.76
  6. Step 6: Final answer
    x = 4,801.32

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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.