Home / 4,751.28-7,127.46-1,465.20

Finding the Fourth Proportional to 4,751.28, 7,127.46 and 1,465.20

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Solution

The fourth proportional to 4,751.28, 7,127.46 and 1,465.20 is: 2,197.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,751.28 : 7,127.46 = 1,465.20 : x
  2. Step 2: Convert to fraction form
    4,751.28/7,127.46 = 1,465.20/x
  3. Step 3: Cross multiply
    4,751.28x = 7,127.46 × 1,465.20
  4. Step 4: Simplify right side
    4,751.28x = 10,443,154.39
  5. Step 5: Solve for x
    x = 10,443,154.39/4,751.28
  6. Step 6: Final answer
    x = 2,197.97

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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.