Home / 4,770.90-7,156.55-1,484.06

Finding the Fourth Proportional to 4,770.90, 7,156.55 and 1,484.06

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Solution

The fourth proportional to 4,770.90, 7,156.55 and 1,484.06 is: 2,226.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,770.90 : 7,156.55 = 1,484.06 : x
  2. Step 2: Convert to fraction form
    4,770.90/7,156.55 = 1,484.06/x
  3. Step 3: Cross multiply
    4,770.90x = 7,156.55 × 1,484.06
  4. Step 4: Simplify right side
    4,770.90x = 10,620,717.52
  5. Step 5: Solve for x
    x = 10,620,717.52/4,770.90
  6. Step 6: Final answer
    x = 2,226.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.