Home / 3,916.24-5,404.66-2,587.62

Finding the Fourth Proportional to 3,916.24, 5,404.66 and 2,587.62

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Solution

The fourth proportional to 3,916.24, 5,404.66 and 2,587.62 is: 3,571.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916.24 : 5,404.66 = 2,587.62 : x
  2. Step 2: Convert to fraction form
    3,916.24/5,404.66 = 2,587.62/x
  3. Step 3: Cross multiply
    3,916.24x = 5,404.66 × 2,587.62
  4. Step 4: Simplify right side
    3,916.24x = 13,985,206.31
  5. Step 5: Solve for x
    x = 13,985,206.31/3,916.24
  6. Step 6: Final answer
    x = 3,571.08

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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.