Home / 5,356.77-7,392.15-2,966.60

Finding the Fourth Proportional to 5,356.77, 7,392.15 and 2,966.60

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Solution

The fourth proportional to 5,356.77, 7,392.15 and 2,966.60 is: 4,093.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,356.77 : 7,392.15 = 2,966.60 : x
  2. Step 2: Convert to fraction form
    5,356.77/7,392.15 = 2,966.60/x
  3. Step 3: Cross multiply
    5,356.77x = 7,392.15 × 2,966.60
  4. Step 4: Simplify right side
    5,356.77x = 21,929,518.88
  5. Step 5: Solve for x
    x = 21,929,518.88/5,356.77
  6. Step 6: Final answer
    x = 4,093.80

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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.