Home / 5,384.67-7,431.15-3,026.80

Finding the Fourth Proportional to 5,384.67, 7,431.15 and 3,026.80

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Solution

The fourth proportional to 5,384.67, 7,431.15 and 3,026.80 is: 4,177.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,384.67 : 7,431.15 = 3,026.80 : x
  2. Step 2: Convert to fraction form
    5,384.67/7,431.15 = 3,026.80/x
  3. Step 3: Cross multiply
    5,384.67x = 7,431.15 × 3,026.80
  4. Step 4: Simplify right side
    5,384.67x = 22,492,604.82
  5. Step 5: Solve for x
    x = 22,492,604.82/5,384.67
  6. Step 6: Final answer
    x = 4,177.16

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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.