Home / 1,856.16-2,771.28-1,671.84

Finding the Fourth Proportional to 1,856.16, 2,771.28 and 1,671.84

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Solution

The fourth proportional to 1,856.16, 2,771.28 and 1,671.84 is: 2,496.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856.16 : 2,771.28 = 1,671.84 : x
  2. Step 2: Convert to fraction form
    1,856.16/2,771.28 = 1,671.84/x
  3. Step 3: Cross multiply
    1,856.16x = 2,771.28 × 1,671.84
  4. Step 4: Simplify right side
    1,856.16x = 4,633,136.76
  5. Step 5: Solve for x
    x = 4,633,136.76/1,856.16
  6. Step 6: Final answer
    x = 2,496.09

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.