Home / 1,972.46-2,723.10-1,500.68

Finding the Fourth Proportional to 1,972.46, 2,723.10 and 1,500.68

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Solution

The fourth proportional to 1,972.46, 2,723.10 and 1,500.68 is: 2,071.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972.46 : 2,723.10 = 1,500.68 : x
  2. Step 2: Convert to fraction form
    1,972.46/2,723.10 = 1,500.68/x
  3. Step 3: Cross multiply
    1,972.46x = 2,723.10 × 1,500.68
  4. Step 4: Simplify right side
    1,972.46x = 4,086,501.71
  5. Step 5: Solve for x
    x = 4,086,501.71/1,972.46
  6. Step 6: Final answer
    x = 2,071.78

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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.