Home / 3,294.90-4,547.25-1,878.66

Finding the Fourth Proportional to 3,294.90, 4,547.25 and 1,878.66

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Solution

The fourth proportional to 3,294.90, 4,547.25 and 1,878.66 is: 2,592.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,294.90 : 4,547.25 = 1,878.66 : x
  2. Step 2: Convert to fraction form
    3,294.90/4,547.25 = 1,878.66/x
  3. Step 3: Cross multiply
    3,294.90x = 4,547.25 × 1,878.66
  4. Step 4: Simplify right side
    3,294.90x = 8,542,736.69
  5. Step 5: Solve for x
    x = 8,542,736.69/3,294.90
  6. Step 6: Final answer
    x = 2,592.72

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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.