Home / 4,113.72-5,677.49-2,521.32

Finding the Fourth Proportional to 4,113.72, 5,677.49 and 2,521.32

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Solution

The fourth proportional to 4,113.72, 5,677.49 and 2,521.32 is: 3,479.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,113.72 : 5,677.49 = 2,521.32 : x
  2. Step 2: Convert to fraction form
    4,113.72/5,677.49 = 2,521.32/x
  3. Step 3: Cross multiply
    4,113.72x = 5,677.49 × 2,521.32
  4. Step 4: Simplify right side
    4,113.72x = 14,314,754.10
  5. Step 5: Solve for x
    x = 14,314,754.10/4,113.72
  6. Step 6: Final answer
    x = 3,479.76

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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.