Home / 3,557.32-4,909.07-1,963.99

Finding the Fourth Proportional to 3,557.32, 4,909.07 and 1,963.99

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Solution

The fourth proportional to 3,557.32, 4,909.07 and 1,963.99 is: 2,710.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557.32 : 4,909.07 = 1,963.99 : x
  2. Step 2: Convert to fraction form
    3,557.32/4,909.07 = 1,963.99/x
  3. Step 3: Cross multiply
    3,557.32x = 4,909.07 × 1,963.99
  4. Step 4: Simplify right side
    3,557.32x = 9,641,364.39
  5. Step 5: Solve for x
    x = 9,641,364.39/3,557.32
  6. Step 6: Final answer
    x = 2,710.29

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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.