Home / 4,775.49-7,168.10-3,210.57

Finding the Fourth Proportional to 4,775.49, 7,168.10 and 3,210.57

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Solution

The fourth proportional to 4,775.49, 7,168.10 and 3,210.57 is: 4,819.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,775.49 : 7,168.10 = 3,210.57 : x
  2. Step 2: Convert to fraction form
    4,775.49/7,168.10 = 3,210.57/x
  3. Step 3: Cross multiply
    4,775.49x = 7,168.10 × 3,210.57
  4. Step 4: Simplify right side
    4,775.49x = 23,013,670.76
  5. Step 5: Solve for x
    x = 23,013,670.76/4,775.49
  6. Step 6: Final answer
    x = 4,819.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.