Home / 2,333.24-3,217.28-1,587.64

Finding the Fourth Proportional to 2,333.24, 3,217.28 and 1,587.64

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Solution

The fourth proportional to 2,333.24, 3,217.28 and 1,587.64 is: 2,189.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,333.24 : 3,217.28 = 1,587.64 : x
  2. Step 2: Convert to fraction form
    2,333.24/3,217.28 = 1,587.64/x
  3. Step 3: Cross multiply
    2,333.24x = 3,217.28 × 1,587.64
  4. Step 4: Simplify right side
    2,333.24x = 5,107,882.42
  5. Step 5: Solve for x
    x = 5,107,882.42/2,333.24
  6. Step 6: Final answer
    x = 2,189.18

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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.