Home / 5,740.39-7,922.78-3,350.76

Finding the Fourth Proportional to 5,740.39, 7,922.78 and 3,350.76

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Solution

The fourth proportional to 5,740.39, 7,922.78 and 3,350.76 is: 4,624.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,740.39 : 7,922.78 = 3,350.76 : x
  2. Step 2: Convert to fraction form
    5,740.39/7,922.78 = 3,350.76/x
  3. Step 3: Cross multiply
    5,740.39x = 7,922.78 × 3,350.76
  4. Step 4: Simplify right side
    5,740.39x = 26,547,334.31
  5. Step 5: Solve for x
    x = 26,547,334.31/5,740.39
  6. Step 6: Final answer
    x = 4,624.66

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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.