Home / 5,411.07-7,467.30-3,315.20

Finding the Fourth Proportional to 5,411.07, 7,467.30 and 3,315.20

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Solution

The fourth proportional to 5,411.07, 7,467.30 and 3,315.20 is: 4,574.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,411.07 : 7,467.30 = 3,315.20 : x
  2. Step 2: Convert to fraction form
    5,411.07/7,467.30 = 3,315.20/x
  3. Step 3: Cross multiply
    5,411.07x = 7,467.30 × 3,315.20
  4. Step 4: Simplify right side
    5,411.07x = 24,755,555.62
  5. Step 5: Solve for x
    x = 24,755,555.62/5,411.07
  6. Step 6: Final answer
    x = 4,574.98

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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.