Home / 3,538.61-4,883.82-2,547.17

Finding the Fourth Proportional to 3,538.61, 4,883.82 and 2,547.17

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Solution

The fourth proportional to 3,538.61, 4,883.82 and 2,547.17 is: 3,515.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.61 : 4,883.82 = 2,547.17 : x
  2. Step 2: Convert to fraction form
    3,538.61/4,883.82 = 2,547.17/x
  3. Step 3: Cross multiply
    3,538.61x = 4,883.82 × 2,547.17
  4. Step 4: Simplify right side
    3,538.61x = 12,439,919.79
  5. Step 5: Solve for x
    x = 12,439,919.79/3,538.61
  6. Step 6: Final answer
    x = 3,515.48

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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.