Home / 5,669.15-7,823.56-3,151.17

Finding the Fourth Proportional to 5,669.15, 7,823.56 and 3,151.17

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Solution

The fourth proportional to 5,669.15, 7,823.56 and 3,151.17 is: 4,348.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,669.15 : 7,823.56 = 3,151.17 : x
  2. Step 2: Convert to fraction form
    5,669.15/7,823.56 = 3,151.17/x
  3. Step 3: Cross multiply
    5,669.15x = 7,823.56 × 3,151.17
  4. Step 4: Simplify right side
    5,669.15x = 24,653,328.45
  5. Step 5: Solve for x
    x = 24,653,328.45/5,669.15
  6. Step 6: Final answer
    x = 4,348.68

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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.