Home / 5,045.83-6,963.40-3,156.81

Finding the Fourth Proportional to 5,045.83, 6,963.40 and 3,156.81

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Solution

The fourth proportional to 5,045.83, 6,963.40 and 3,156.81 is: 4,356.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,045.83 : 6,963.40 = 3,156.81 : x
  2. Step 2: Convert to fraction form
    5,045.83/6,963.40 = 3,156.81/x
  3. Step 3: Cross multiply
    5,045.83x = 6,963.40 × 3,156.81
  4. Step 4: Simplify right side
    5,045.83x = 21,982,095.94
  5. Step 5: Solve for x
    x = 21,982,095.94/5,045.83
  6. Step 6: Final answer
    x = 4,356.49

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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.