Home / 3,680.08-5,080.60-2,423.24

Finding the Fourth Proportional to 3,680.08, 5,080.60 and 2,423.24

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Solution

The fourth proportional to 3,680.08, 5,080.60 and 2,423.24 is: 3,345.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680.08 : 5,080.60 = 2,423.24 : x
  2. Step 2: Convert to fraction form
    3,680.08/5,080.60 = 2,423.24/x
  3. Step 3: Cross multiply
    3,680.08x = 5,080.60 × 2,423.24
  4. Step 4: Simplify right side
    3,680.08x = 12,311,517.30
  5. Step 5: Solve for x
    x = 12,311,517.30/3,680.08
  6. Step 6: Final answer
    x = 3,345.45

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Half scale
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Double scale
Find fourth proportional to 3,681.08, 5,081.98 and 2,424.24
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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.