Home / 5,547.24-7,658.82-3,780.84

Finding the Fourth Proportional to 5,547.24, 7,658.82 and 3,780.84

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Solution

The fourth proportional to 5,547.24, 7,658.82 and 3,780.84 is: 5,220.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,547.24 : 7,658.82 = 3,780.84 : x
  2. Step 2: Convert to fraction form
    5,547.24/7,658.82 = 3,780.84/x
  3. Step 3: Cross multiply
    5,547.24x = 7,658.82 × 3,780.84
  4. Step 4: Simplify right side
    5,547.24x = 28,956,773.01
  5. Step 5: Solve for x
    x = 28,956,773.01/5,547.24
  6. Step 6: Final answer
    x = 5,220.03

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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.