Home / 5,909.40-8,154.65-3,256.31

Finding the Fourth Proportional to 5,909.40, 8,154.65 and 3,256.31

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Solution

The fourth proportional to 5,909.40, 8,154.65 and 3,256.31 is: 4,493.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,909.40 : 8,154.65 = 3,256.31 : x
  2. Step 2: Convert to fraction form
    5,909.40/8,154.65 = 3,256.31/x
  3. Step 3: Cross multiply
    5,909.40x = 8,154.65 × 3,256.31
  4. Step 4: Simplify right side
    5,909.40x = 26,554,011.29
  5. Step 5: Solve for x
    x = 26,554,011.29/5,909.40
  6. Step 6: Final answer
    x = 4,493.52

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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.