Home / 3,128.79-4,693.19-2,541

Finding the Fourth Proportional to 3,128.79, 4,693.19 and 2,541

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Solution

The fourth proportional to 3,128.79, 4,693.19 and 2,541 is: 3,811.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128.79 : 4,693.19 = 2,541 : x
  2. Step 2: Convert to fraction form
    3,128.79/4,693.19 = 2,541/x
  3. Step 3: Cross multiply
    3,128.79x = 4,693.19 × 2,541
  4. Step 4: Simplify right side
    3,128.79x = 11,925,395.79
  5. Step 5: Solve for x
    x = 11,925,395.79/3,128.79
  6. Step 6: Final answer
    x = 3,811.50

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.