Home / 4,813.52-6,642.84-2,688.94

Finding the Fourth Proportional to 4,813.52, 6,642.84 and 2,688.94

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Solution

The fourth proportional to 4,813.52, 6,642.84 and 2,688.94 is: 3,710.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,813.52 : 6,642.84 = 2,688.94 : x
  2. Step 2: Convert to fraction form
    4,813.52/6,642.84 = 2,688.94/x
  3. Step 3: Cross multiply
    4,813.52x = 6,642.84 × 2,688.94
  4. Step 4: Simplify right side
    4,813.52x = 17,862,198.19
  5. Step 5: Solve for x
    x = 17,862,198.19/4,813.52
  6. Step 6: Final answer
    x = 3,710.84

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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.