Home / 3,886.17-5,829.57-1,217.58

Finding the Fourth Proportional to 3,886.17, 5,829.57 and 1,217.58

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Solution

The fourth proportional to 3,886.17, 5,829.57 and 1,217.58 is: 1,826.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886.17 : 5,829.57 = 1,217.58 : x
  2. Step 2: Convert to fraction form
    3,886.17/5,829.57 = 1,217.58/x
  3. Step 3: Cross multiply
    3,886.17x = 5,829.57 × 1,217.58
  4. Step 4: Simplify right side
    3,886.17x = 7,097,967.84
  5. Step 5: Solve for x
    x = 7,097,967.84/3,886.17
  6. Step 6: Final answer
    x = 1,826.47

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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.