Home / 4,122.79-6,184.52-1,657.29

Finding the Fourth Proportional to 4,122.79, 6,184.52 and 1,657.29

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Solution

The fourth proportional to 4,122.79, 6,184.52 and 1,657.29 is: 2,486.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.79 : 6,184.52 = 1,657.29 : x
  2. Step 2: Convert to fraction form
    4,122.79/6,184.52 = 1,657.29/x
  3. Step 3: Cross multiply
    4,122.79x = 6,184.52 × 1,657.29
  4. Step 4: Simplify right side
    4,122.79x = 10,249,543.15
  5. Step 5: Solve for x
    x = 10,249,543.15/4,122.79
  6. Step 6: Final answer
    x = 2,486.07

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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.