Home / 5,721.84-8,579.88-2,433.12

Finding the Fourth Proportional to 5,721.84, 8,579.88 and 2,433.12

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Solution

The fourth proportional to 5,721.84, 8,579.88 and 2,433.12 is: 3,648.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,721.84 : 8,579.88 = 2,433.12 : x
  2. Step 2: Convert to fraction form
    5,721.84/8,579.88 = 2,433.12/x
  3. Step 3: Cross multiply
    5,721.84x = 8,579.88 × 2,433.12
  4. Step 4: Simplify right side
    5,721.84x = 20,875,877.63
  5. Step 5: Solve for x
    x = 20,875,877.63/5,721.84
  6. Step 6: Final answer
    x = 3,648.46

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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.