Home / 5,492.55-7,579.71-2,974.68

Finding the Fourth Proportional to 5,492.55, 7,579.71 and 2,974.68

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Solution

The fourth proportional to 5,492.55, 7,579.71 and 2,974.68 is: 4,105.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,492.55 : 7,579.71 = 2,974.68 : x
  2. Step 2: Convert to fraction form
    5,492.55/7,579.71 = 2,974.68/x
  3. Step 3: Cross multiply
    5,492.55x = 7,579.71 × 2,974.68
  4. Step 4: Simplify right side
    5,492.55x = 22,547,211.74
  5. Step 5: Solve for x
    x = 22,547,211.74/5,492.55
  6. Step 6: Final answer
    x = 4,105.05

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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.