Home / 5,909.38-8,864.20-1,749.40

Finding the Fourth Proportional to 5,909.38, 8,864.20 and 1,749.40

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Solution

The fourth proportional to 5,909.38, 8,864.20 and 1,749.40 is: 2,624.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,909.38 : 8,864.20 = 1,749.40 : x
  2. Step 2: Convert to fraction form
    5,909.38/8,864.20 = 1,749.40/x
  3. Step 3: Cross multiply
    5,909.38x = 8,864.20 × 1,749.40
  4. Step 4: Simplify right side
    5,909.38x = 15,507,031.48
  5. Step 5: Solve for x
    x = 15,507,031.48/5,909.38
  6. Step 6: Final answer
    x = 2,624.14

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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.