Home / 3,683.10-5,085.08-2,842.32

Finding the Fourth Proportional to 3,683.10, 5,085.08 and 2,842.32

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Solution

The fourth proportional to 3,683.10, 5,085.08 and 2,842.32 is: 3,924.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,683.10 : 5,085.08 = 2,842.32 : x
  2. Step 2: Convert to fraction form
    3,683.10/5,085.08 = 2,842.32/x
  3. Step 3: Cross multiply
    3,683.10x = 5,085.08 × 2,842.32
  4. Step 4: Simplify right side
    3,683.10x = 14,453,440.10
  5. Step 5: Solve for x
    x = 14,453,440.10/3,683.10
  6. Step 6: Final answer
    x = 3,924.26

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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.