Home / 2,993.13-4,130.49-1,666.95

Finding the Fourth Proportional to 2,993.13, 4,130.49 and 1,666.95

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Solution

The fourth proportional to 2,993.13, 4,130.49 and 1,666.95 is: 2,300.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993.13 : 4,130.49 = 1,666.95 : x
  2. Step 2: Convert to fraction form
    2,993.13/4,130.49 = 1,666.95/x
  3. Step 3: Cross multiply
    2,993.13x = 4,130.49 × 1,666.95
  4. Step 4: Simplify right side
    2,993.13x = 6,885,320.31
  5. Step 5: Solve for x
    x = 6,885,320.31/2,993.13
  6. Step 6: Final answer
    x = 2,300.37

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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.