Home / 7,191.37-9,924.06-4,047.55

Finding the Fourth Proportional to 7,191.37, 9,924.06 and 4,047.55

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Solution

The fourth proportional to 7,191.37, 9,924.06 and 4,047.55 is: 5,585.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,191.37 : 9,924.06 = 4,047.55 : x
  2. Step 2: Convert to fraction form
    7,191.37/9,924.06 = 4,047.55/x
  3. Step 3: Cross multiply
    7,191.37x = 9,924.06 × 4,047.55
  4. Step 4: Simplify right side
    7,191.37x = 40,168,129.05
  5. Step 5: Solve for x
    x = 40,168,129.05/7,191.37
  6. Step 6: Final answer
    x = 5,585.60

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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.