Home / 3,045.30-4,199.63-2,099.58

Finding the Fourth Proportional to 3,045.30, 4,199.63 and 2,099.58

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Solution

The fourth proportional to 3,045.30, 4,199.63 and 2,099.58 is: 2,895.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.30 : 4,199.63 = 2,099.58 : x
  2. Step 2: Convert to fraction form
    3,045.30/4,199.63 = 2,099.58/x
  3. Step 3: Cross multiply
    3,045.30x = 4,199.63 × 2,099.58
  4. Step 4: Simplify right side
    3,045.30x = 8,817,448.66
  5. Step 5: Solve for x
    x = 8,817,448.66/3,045.30
  6. Step 6: Final answer
    x = 2,895.43

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Double scale
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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.