Home / 1,933.47-2,666.07-1,513.08

Finding the Fourth Proportional to 1,933.47, 2,666.07 and 1,513.08

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Solution

The fourth proportional to 1,933.47, 2,666.07 and 1,513.08 is: 2,086.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933.47 : 2,666.07 = 1,513.08 : x
  2. Step 2: Convert to fraction form
    1,933.47/2,666.07 = 1,513.08/x
  3. Step 3: Cross multiply
    1,933.47x = 2,666.07 × 1,513.08
  4. Step 4: Simplify right side
    1,933.47x = 4,033,977.20
  5. Step 5: Solve for x
    x = 4,033,977.20/1,933.47
  6. Step 6: Final answer
    x = 2,086.39

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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.