Home / 5,077.04-7,042.20-4,942.24

Finding the Fourth Proportional to 5,077.04, 7,042.20 and 4,942.24

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Solution

The fourth proportional to 5,077.04, 7,042.20 and 4,942.24 is: 6,855.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077.04 : 7,042.20 = 4,942.24 : x
  2. Step 2: Convert to fraction form
    5,077.04/7,042.20 = 4,942.24/x
  3. Step 3: Cross multiply
    5,077.04x = 7,042.20 × 4,942.24
  4. Step 4: Simplify right side
    5,077.04x = 34,804,242.53
  5. Step 5: Solve for x
    x = 34,804,242.53/5,077.04
  6. Step 6: Final answer
    x = 6,855.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.