Home / 2,993.28-4,130.46-1,666.94

Finding the Fourth Proportional to 2,993.28, 4,130.46 and 1,666.94

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Solution

The fourth proportional to 2,993.28, 4,130.46 and 1,666.94 is: 2,300.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993.28 : 4,130.46 = 1,666.94 : x
  2. Step 2: Convert to fraction form
    2,993.28/4,130.46 = 1,666.94/x
  3. Step 3: Cross multiply
    2,993.28x = 4,130.46 × 1,666.94
  4. Step 4: Simplify right side
    2,993.28x = 6,885,228.99
  5. Step 5: Solve for x
    x = 6,885,228.99/2,993.28
  6. Step 6: Final answer
    x = 2,300.23

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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.