Home / 4,982.04-6,875.28-2,885.76

Finding the Fourth Proportional to 4,982.04, 6,875.28 and 2,885.76

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Solution

The fourth proportional to 4,982.04, 6,875.28 and 2,885.76 is: 3,982.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,982.04 : 6,875.28 = 2,885.76 : x
  2. Step 2: Convert to fraction form
    4,982.04/6,875.28 = 2,885.76/x
  3. Step 3: Cross multiply
    4,982.04x = 6,875.28 × 2,885.76
  4. Step 4: Simplify right side
    4,982.04x = 19,840,408.01
  5. Step 5: Solve for x
    x = 19,840,408.01/4,982.04
  6. Step 6: Final answer
    x = 3,982.39

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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.