Home / 2,916.20-4,023.38-1,736.60

Finding the Fourth Proportional to 2,916.20, 4,023.38 and 1,736.60

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Solution

The fourth proportional to 2,916.20, 4,023.38 and 1,736.60 is: 2,395.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.20 : 4,023.38 = 1,736.60 : x
  2. Step 2: Convert to fraction form
    2,916.20/4,023.38 = 1,736.60/x
  3. Step 3: Cross multiply
    2,916.20x = 4,023.38 × 1,736.60
  4. Step 4: Simplify right side
    2,916.20x = 6,987,001.71
  5. Step 5: Solve for x
    x = 6,987,001.71/2,916.20
  6. Step 6: Final answer
    x = 2,395.93

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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.