Home / 2,975.59-4,106.33-1,856.58

Finding the Fourth Proportional to 2,975.59, 4,106.33 and 1,856.58

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Solution

The fourth proportional to 2,975.59, 4,106.33 and 1,856.58 is: 2,562.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.59 : 4,106.33 = 1,856.58 : x
  2. Step 2: Convert to fraction form
    2,975.59/4,106.33 = 1,856.58/x
  3. Step 3: Cross multiply
    2,975.59x = 4,106.33 × 1,856.58
  4. Step 4: Simplify right side
    2,975.59x = 7,623,730.15
  5. Step 5: Solve for x
    x = 7,623,730.15/2,975.59
  6. Step 6: Final answer
    x = 2,562.09

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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.