Home / 2,528.77-3,491.85-1,586.14

Finding the Fourth Proportional to 2,528.77, 3,491.85 and 1,586.14

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Solution

The fourth proportional to 2,528.77, 3,491.85 and 1,586.14 is: 2,190.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,528.77 : 3,491.85 = 1,586.14 : x
  2. Step 2: Convert to fraction form
    2,528.77/3,491.85 = 1,586.14/x
  3. Step 3: Cross multiply
    2,528.77x = 3,491.85 × 1,586.14
  4. Step 4: Simplify right side
    2,528.77x = 5,538,554.23
  5. Step 5: Solve for x
    x = 5,538,554.23/2,528.77
  6. Step 6: Final answer
    x = 2,190.22

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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.