Home / 3,494.61-4,821.53-2,077.58

Finding the Fourth Proportional to 3,494.61, 4,821.53 and 2,077.58

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Solution

The fourth proportional to 3,494.61, 4,821.53 and 2,077.58 is: 2,866.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,494.61 : 4,821.53 = 2,077.58 : x
  2. Step 2: Convert to fraction form
    3,494.61/4,821.53 = 2,077.58/x
  3. Step 3: Cross multiply
    3,494.61x = 4,821.53 × 2,077.58
  4. Step 4: Simplify right side
    3,494.61x = 10,017,114.30
  5. Step 5: Solve for x
    x = 10,017,114.30/3,494.61
  6. Step 6: Final answer
    x = 2,866.45

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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.