Home / 2,637.12-3,633.04-1,838.99

Finding the Fourth Proportional to 2,637.12, 3,633.04 and 1,838.99

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Solution

The fourth proportional to 2,637.12, 3,633.04 and 1,838.99 is: 2,533.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637.12 : 3,633.04 = 1,838.99 : x
  2. Step 2: Convert to fraction form
    2,637.12/3,633.04 = 1,838.99/x
  3. Step 3: Cross multiply
    2,637.12x = 3,633.04 × 1,838.99
  4. Step 4: Simplify right side
    2,637.12x = 6,681,135.61
  5. Step 5: Solve for x
    x = 6,681,135.61/2,637.12
  6. Step 6: Final answer
    x = 2,533.49

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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.