Home / 1,924.59-2,654.42-1,393.55

Finding the Fourth Proportional to 1,924.59, 2,654.42 and 1,393.55

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Solution

The fourth proportional to 1,924.59, 2,654.42 and 1,393.55 is: 1,922.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,924.59 : 2,654.42 = 1,393.55 : x
  2. Step 2: Convert to fraction form
    1,924.59/2,654.42 = 1,393.55/x
  3. Step 3: Cross multiply
    1,924.59x = 2,654.42 × 1,393.55
  4. Step 4: Simplify right side
    1,924.59x = 3,699,077.11
  5. Step 5: Solve for x
    x = 3,699,077.11/1,924.59
  6. Step 6: Final answer
    x = 1,922.01

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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.