Home / 5,587.29-7,713.09-3,228.98

Finding the Fourth Proportional to 5,587.29, 7,713.09 and 3,228.98

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Solution

The fourth proportional to 5,587.29, 7,713.09 and 3,228.98 is: 4,457.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.29 : 7,713.09 = 3,228.98 : x
  2. Step 2: Convert to fraction form
    5,587.29/7,713.09 = 3,228.98/x
  3. Step 3: Cross multiply
    5,587.29x = 7,713.09 × 3,228.98
  4. Step 4: Simplify right side
    5,587.29x = 24,905,374.78
  5. Step 5: Solve for x
    x = 24,905,374.78/5,587.29
  6. Step 6: Final answer
    x = 4,457.51

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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.