Home / 5,197.04-7,177.86-3,787.05

Finding the Fourth Proportional to 5,197.04, 7,177.86 and 3,787.05

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Solution

The fourth proportional to 5,197.04, 7,177.86 and 3,787.05 is: 5,230.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,197.04 : 7,177.86 = 3,787.05 : x
  2. Step 2: Convert to fraction form
    5,197.04/7,177.86 = 3,787.05/x
  3. Step 3: Cross multiply
    5,197.04x = 7,177.86 × 3,787.05
  4. Step 4: Simplify right side
    5,197.04x = 27,182,914.71
  5. Step 5: Solve for x
    x = 27,182,914.71/5,197.04
  6. Step 6: Final answer
    x = 5,230.47

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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.