Home / 3,184.16-4,394.58-1,787

Finding the Fourth Proportional to 3,184.16, 4,394.58 and 1,787

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Solution

The fourth proportional to 3,184.16, 4,394.58 and 1,787 is: 2,466.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184.16 : 4,394.58 = 1,787 : x
  2. Step 2: Convert to fraction form
    3,184.16/4,394.58 = 1,787/x
  3. Step 3: Cross multiply
    3,184.16x = 4,394.58 × 1,787
  4. Step 4: Simplify right side
    3,184.16x = 7,853,114.46
  5. Step 5: Solve for x
    x = 7,853,114.46/3,184.16
  6. Step 6: Final answer
    x = 2,466.31

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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.