Home / 4,988.25-6,871.86-3,493.35

Finding the Fourth Proportional to 4,988.25, 6,871.86 and 3,493.35

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Solution

The fourth proportional to 4,988.25, 6,871.86 and 3,493.35 is: 4,812.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.25 : 6,871.86 = 3,493.35 : x
  2. Step 2: Convert to fraction form
    4,988.25/6,871.86 = 3,493.35/x
  3. Step 3: Cross multiply
    4,988.25x = 6,871.86 × 3,493.35
  4. Step 4: Simplify right side
    4,988.25x = 24,005,812.13
  5. Step 5: Solve for x
    x = 24,005,812.13/4,988.25
  6. Step 6: Final answer
    x = 4,812.47

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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.