Home / 3,916.95-5,403.55-2,424.32

Finding the Fourth Proportional to 3,916.95, 5,403.55 and 2,424.32

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Solution

The fourth proportional to 3,916.95, 5,403.55 and 2,424.32 is: 3,344.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916.95 : 5,403.55 = 2,424.32 : x
  2. Step 2: Convert to fraction form
    3,916.95/5,403.55 = 2,424.32/x
  3. Step 3: Cross multiply
    3,916.95x = 5,403.55 × 2,424.32
  4. Step 4: Simplify right side
    3,916.95x = 13,099,934.34
  5. Step 5: Solve for x
    x = 13,099,934.34/3,916.95
  6. Step 6: Final answer
    x = 3,344.42

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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.