Home / 7,484.70-10,327.68-4,340.28

Finding the Fourth Proportional to 7,484.70, 10,327.68 and 4,340.28

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Solution

The fourth proportional to 7,484.70, 10,327.68 and 4,340.28 is: 5,988.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,484.70 : 10,327.68 = 4,340.28 : x
  2. Step 2: Convert to fraction form
    7,484.70/10,327.68 = 4,340.28/x
  3. Step 3: Cross multiply
    7,484.70x = 10,327.68 × 4,340.28
  4. Step 4: Simplify right side
    7,484.70x = 44,825,022.95
  5. Step 5: Solve for x
    x = 44,825,022.95/7,484.70
  6. Step 6: Final answer
    x = 5,988.89

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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.