Home / 5,411.53-7,468.10-2,988.91

Finding the Fourth Proportional to 5,411.53, 7,468.10 and 2,988.91

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Solution

The fourth proportional to 5,411.53, 7,468.10 and 2,988.91 is: 4,124.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,411.53 : 7,468.10 = 2,988.91 : x
  2. Step 2: Convert to fraction form
    5,411.53/7,468.10 = 2,988.91/x
  3. Step 3: Cross multiply
    5,411.53x = 7,468.10 × 2,988.91
  4. Step 4: Simplify right side
    5,411.53x = 22,321,467.57
  5. Step 5: Solve for x
    x = 22,321,467.57/5,411.53
  6. Step 6: Final answer
    x = 4,124.80

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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.