Home / 1,933.59-2,668.77-1,513.11

Finding the Fourth Proportional to 1,933.59, 2,668.77 and 1,513.11

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Solution

The fourth proportional to 1,933.59, 2,668.77 and 1,513.11 is: 2,088.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933.59 : 2,668.77 = 1,513.11 : x
  2. Step 2: Convert to fraction form
    1,933.59/2,668.77 = 1,513.11/x
  3. Step 3: Cross multiply
    1,933.59x = 2,668.77 × 1,513.11
  4. Step 4: Simplify right side
    1,933.59x = 4,038,142.57
  5. Step 5: Solve for x
    x = 4,038,142.57/1,933.59
  6. Step 6: Final answer
    x = 2,088.42

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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.