Home / 7,160.38-9,881.32-4,017.58

Finding the Fourth Proportional to 7,160.38, 9,881.32 and 4,017.58

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Solution

The fourth proportional to 7,160.38, 9,881.32 and 4,017.58 is: 5,544.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160.38 : 9,881.32 = 4,017.58 : x
  2. Step 2: Convert to fraction form
    7,160.38/9,881.32 = 4,017.58/x
  3. Step 3: Cross multiply
    7,160.38x = 9,881.32 × 4,017.58
  4. Step 4: Simplify right side
    7,160.38x = 39,698,993.61
  5. Step 5: Solve for x
    x = 39,698,993.61/7,160.38
  6. Step 6: Final answer
    x = 5,544.26

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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.