Home / 2,864.34-4,291.11-1,690.83

Finding the Fourth Proportional to 2,864.34, 4,291.11 and 1,690.83

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Solution

The fourth proportional to 2,864.34, 4,291.11 and 1,690.83 is: 2,533.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864.34 : 4,291.11 = 1,690.83 : x
  2. Step 2: Convert to fraction form
    2,864.34/4,291.11 = 1,690.83/x
  3. Step 3: Cross multiply
    2,864.34x = 4,291.11 × 1,690.83
  4. Step 4: Simplify right side
    2,864.34x = 7,255,537.52
  5. Step 5: Solve for x
    x = 7,255,537.52/2,864.34
  6. Step 6: Final answer
    x = 2,533.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.