Home / 7,440.05-10,265.84-4,787.10

Finding the Fourth Proportional to 7,440.05, 10,265.84 and 4,787.10

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Solution

The fourth proportional to 7,440.05, 10,265.84 and 4,787.10 is: 6,605.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,440.05 : 10,265.84 = 4,787.10 : x
  2. Step 2: Convert to fraction form
    7,440.05/10,265.84 = 4,787.10/x
  3. Step 3: Cross multiply
    7,440.05x = 10,265.84 × 4,787.10
  4. Step 4: Simplify right side
    7,440.05x = 49,143,596.68
  5. Step 5: Solve for x
    x = 49,143,596.68/7,440.05
  6. Step 6: Final answer
    x = 6,605.28

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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.