Home / 2,318.99-3,199.13-2,053.70

Finding the Fourth Proportional to 2,318.99, 3,199.13 and 2,053.70

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Solution

The fourth proportional to 2,318.99, 3,199.13 and 2,053.70 is: 2,833.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.99 : 3,199.13 = 2,053.70 : x
  2. Step 2: Convert to fraction form
    2,318.99/3,199.13 = 2,053.70/x
  3. Step 3: Cross multiply
    2,318.99x = 3,199.13 × 2,053.70
  4. Step 4: Simplify right side
    2,318.99x = 6,570,053.28
  5. Step 5: Solve for x
    x = 6,570,053.28/2,318.99
  6. Step 6: Final answer
    x = 2,833.15

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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.