Home / 5,116.22-7,059.08-3,922.40

Finding the Fourth Proportional to 5,116.22, 7,059.08 and 3,922.40

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Solution

The fourth proportional to 5,116.22, 7,059.08 and 3,922.40 is: 5,411.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116.22 : 7,059.08 = 3,922.40 : x
  2. Step 2: Convert to fraction form
    5,116.22/7,059.08 = 3,922.40/x
  3. Step 3: Cross multiply
    5,116.22x = 7,059.08 × 3,922.40
  4. Step 4: Simplify right side
    5,116.22x = 27,688,535.39
  5. Step 5: Solve for x
    x = 27,688,535.39/5,116.22
  6. Step 6: Final answer
    x = 5,411.91

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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.