Home / 5,211.12-7,801.56-4,053.36

Finding the Fourth Proportional to 5,211.12, 7,801.56 and 4,053.36

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Solution

The fourth proportional to 5,211.12, 7,801.56 and 4,053.36 is: 6,068.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,211.12 : 7,801.56 = 4,053.36 : x
  2. Step 2: Convert to fraction form
    5,211.12/7,801.56 = 4,053.36/x
  3. Step 3: Cross multiply
    5,211.12x = 7,801.56 × 4,053.36
  4. Step 4: Simplify right side
    5,211.12x = 31,622,531.24
  5. Step 5: Solve for x
    x = 31,622,531.24/5,211.12
  6. Step 6: Final answer
    x = 6,068.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.