Home / 3,916.77-5,405.28-2,324.25

Finding the Fourth Proportional to 3,916.77, 5,405.28 and 2,324.25

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Solution

The fourth proportional to 3,916.77, 5,405.28 and 2,324.25 is: 3,207.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916.77 : 5,405.28 = 2,324.25 : x
  2. Step 2: Convert to fraction form
    3,916.77/5,405.28 = 2,324.25/x
  3. Step 3: Cross multiply
    3,916.77x = 5,405.28 × 2,324.25
  4. Step 4: Simplify right side
    3,916.77x = 12,563,222.04
  5. Step 5: Solve for x
    x = 12,563,222.04/3,916.77
  6. Step 6: Final answer
    x = 3,207.55

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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.