Home / 5,055.52-6,975.12-4,888.48

Finding the Fourth Proportional to 5,055.52, 6,975.12 and 4,888.48

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Solution

The fourth proportional to 5,055.52, 6,975.12 and 4,888.48 is: 6,744.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055.52 : 6,975.12 = 4,888.48 : x
  2. Step 2: Convert to fraction form
    5,055.52/6,975.12 = 4,888.48/x
  3. Step 3: Cross multiply
    5,055.52x = 6,975.12 × 4,888.48
  4. Step 4: Simplify right side
    5,055.52x = 34,097,734.62
  5. Step 5: Solve for x
    x = 34,097,734.62/5,055.52
  6. Step 6: Final answer
    x = 6,744.65

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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.