Home / 2,571.24-3,856.86-2,461.08

Finding the Fourth Proportional to 2,571.24, 3,856.86 and 2,461.08

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Solution

The fourth proportional to 2,571.24, 3,856.86 and 2,461.08 is: 3,691.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,571.24 : 3,856.86 = 2,461.08 : x
  2. Step 2: Convert to fraction form
    2,571.24/3,856.86 = 2,461.08/x
  3. Step 3: Cross multiply
    2,571.24x = 3,856.86 × 2,461.08
  4. Step 4: Simplify right side
    2,571.24x = 9,492,041.01
  5. Step 5: Solve for x
    x = 9,492,041.01/2,571.24
  6. Step 6: Final answer
    x = 3,691.62

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.