Home / 6,102.99-8,421.87-3,585.18

Finding the Fourth Proportional to 6,102.99, 8,421.87 and 3,585.18

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Solution

The fourth proportional to 6,102.99, 8,421.87 and 3,585.18 is: 4,947.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,102.99 : 8,421.87 = 3,585.18 : x
  2. Step 2: Convert to fraction form
    6,102.99/8,421.87 = 3,585.18/x
  3. Step 3: Cross multiply
    6,102.99x = 8,421.87 × 3,585.18
  4. Step 4: Simplify right side
    6,102.99x = 30,193,919.89
  5. Step 5: Solve for x
    x = 30,193,919.89/6,102.99
  6. Step 6: Final answer
    x = 4,947.40

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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.