Home / 7,374.85-11,057.90-2,930.13

Finding the Fourth Proportional to 7,374.85, 11,057.90 and 2,930.13

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Solution

The fourth proportional to 7,374.85, 11,057.90 and 2,930.13 is: 4,393.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,374.85 : 11,057.90 = 2,930.13 : x
  2. Step 2: Convert to fraction form
    7,374.85/11,057.90 = 2,930.13/x
  3. Step 3: Cross multiply
    7,374.85x = 11,057.90 × 2,930.13
  4. Step 4: Simplify right side
    7,374.85x = 32,401,084.53
  5. Step 5: Solve for x
    x = 32,401,084.53/7,374.85
  6. Step 6: Final answer
    x = 4,393.46

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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.