Home / 4,901.70-7,344.45-4,172.70

Finding the Fourth Proportional to 4,901.70, 7,344.45 and 4,172.70

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Solution

The fourth proportional to 4,901.70, 7,344.45 and 4,172.70 is: 6,252.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,901.70 : 7,344.45 = 4,172.70 : x
  2. Step 2: Convert to fraction form
    4,901.70/7,344.45 = 4,172.70/x
  3. Step 3: Cross multiply
    4,901.70x = 7,344.45 × 4,172.70
  4. Step 4: Simplify right side
    4,901.70x = 30,646,186.52
  5. Step 5: Solve for x
    x = 30,646,186.52/4,901.70
  6. Step 6: Final answer
    x = 6,252.15

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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.