Home / 5,043.79-6,960.56-2,805.53

Finding the Fourth Proportional to 5,043.79, 6,960.56 and 2,805.53

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Solution

The fourth proportional to 5,043.79, 6,960.56 and 2,805.53 is: 3,871.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,043.79 : 6,960.56 = 2,805.53 : x
  2. Step 2: Convert to fraction form
    5,043.79/6,960.56 = 2,805.53/x
  3. Step 3: Cross multiply
    5,043.79x = 6,960.56 × 2,805.53
  4. Step 4: Simplify right side
    5,043.79x = 19,528,029.38
  5. Step 5: Solve for x
    x = 19,528,029.38/5,043.79
  6. Step 6: Final answer
    x = 3,871.70

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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.