Home / 5,560.80-7,670.58-3,672.42

Finding the Fourth Proportional to 5,560.80, 7,670.58 and 3,672.42

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Solution

The fourth proportional to 5,560.80, 7,670.58 and 3,672.42 is: 5,065.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,560.80 : 7,670.58 = 3,672.42 : x
  2. Step 2: Convert to fraction form
    5,560.80/7,670.58 = 3,672.42/x
  3. Step 3: Cross multiply
    5,560.80x = 7,670.58 × 3,672.42
  4. Step 4: Simplify right side
    5,560.80x = 28,169,591.40
  5. Step 5: Solve for x
    x = 28,169,591.40/5,560.80
  6. Step 6: Final answer
    x = 5,065.74

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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.