Home / 5,888.56-8,121.72-4,891.36

Finding the Fourth Proportional to 5,888.56, 8,121.72 and 4,891.36

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Solution

The fourth proportional to 5,888.56, 8,121.72 and 4,891.36 is: 6,746.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,888.56 : 8,121.72 = 4,891.36 : x
  2. Step 2: Convert to fraction form
    5,888.56/8,121.72 = 4,891.36/x
  3. Step 3: Cross multiply
    5,888.56x = 8,121.72 × 4,891.36
  4. Step 4: Simplify right side
    5,888.56x = 39,726,256.34
  5. Step 5: Solve for x
    x = 39,726,256.34/5,888.56
  6. Step 6: Final answer
    x = 6,746.34

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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.