Home / 7,744.21-10,688.57-4,599.79

Finding the Fourth Proportional to 7,744.21, 10,688.57 and 4,599.79

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Solution

The fourth proportional to 7,744.21, 10,688.57 and 4,599.79 is: 6,348.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,744.21 : 10,688.57 = 4,599.79 : x
  2. Step 2: Convert to fraction form
    7,744.21/10,688.57 = 4,599.79/x
  3. Step 3: Cross multiply
    7,744.21x = 10,688.57 × 4,599.79
  4. Step 4: Simplify right side
    7,744.21x = 49,165,177.40
  5. Step 5: Solve for x
    x = 49,165,177.40/7,744.21
  6. Step 6: Final answer
    x = 6,348.64

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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.