Home / 5,253.84-7,880.75-2,479.02

Finding the Fourth Proportional to 5,253.84, 7,880.75 and 2,479.02

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Solution

The fourth proportional to 5,253.84, 7,880.75 and 2,479.02 is: 3,718.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,253.84 : 7,880.75 = 2,479.02 : x
  2. Step 2: Convert to fraction form
    5,253.84/7,880.75 = 2,479.02/x
  3. Step 3: Cross multiply
    5,253.84x = 7,880.75 × 2,479.02
  4. Step 4: Simplify right side
    5,253.84x = 19,536,524.47
  5. Step 5: Solve for x
    x = 19,536,524.47/5,253.84
  6. Step 6: Final answer
    x = 3,718.52

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Similar ratio
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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.