Home / 3,814.17-5,263.53-2,135.58

Finding the Fourth Proportional to 3,814.17, 5,263.53 and 2,135.58

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Solution

The fourth proportional to 3,814.17, 5,263.53 and 2,135.58 is: 2,947.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,814.17 : 5,263.53 = 2,135.58 : x
  2. Step 2: Convert to fraction form
    3,814.17/5,263.53 = 2,135.58/x
  3. Step 3: Cross multiply
    3,814.17x = 5,263.53 × 2,135.58
  4. Step 4: Simplify right side
    3,814.17x = 11,240,689.40
  5. Step 5: Solve for x
    x = 11,240,689.40/3,814.17
  6. Step 6: Final answer
    x = 2,947.09

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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.