Home / 7,935.84-10,948.98-4,578.21

Finding the Fourth Proportional to 7,935.84, 10,948.98 and 4,578.21

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Solution

The fourth proportional to 7,935.84, 10,948.98 and 4,578.21 is: 6,316.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,935.84 : 10,948.98 = 4,578.21 : x
  2. Step 2: Convert to fraction form
    7,935.84/10,948.98 = 4,578.21/x
  3. Step 3: Cross multiply
    7,935.84x = 10,948.98 × 4,578.21
  4. Step 4: Simplify right side
    7,935.84x = 50,126,729.73
  5. Step 5: Solve for x
    x = 50,126,729.73/7,935.84
  6. Step 6: Final answer
    x = 6,316.50

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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.