Home / 5,394.18-7,444.96-3,155.92

Finding the Fourth Proportional to 5,394.18, 7,444.96 and 3,155.92

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Solution

The fourth proportional to 5,394.18, 7,444.96 and 3,155.92 is: 4,355.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,394.18 : 7,444.96 = 3,155.92 : x
  2. Step 2: Convert to fraction form
    5,394.18/7,444.96 = 3,155.92/x
  3. Step 3: Cross multiply
    5,394.18x = 7,444.96 × 3,155.92
  4. Step 4: Simplify right side
    5,394.18x = 23,495,698.16
  5. Step 5: Solve for x
    x = 23,495,698.16/5,394.18
  6. Step 6: Final answer
    x = 4,355.75

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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.