Home / 7,275.96-10,045.08-4,921.56

Finding the Fourth Proportional to 7,275.96, 10,045.08 and 4,921.56

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Solution

The fourth proportional to 7,275.96, 10,045.08 and 4,921.56 is: 6,794.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,275.96 : 10,045.08 = 4,921.56 : x
  2. Step 2: Convert to fraction form
    7,275.96/10,045.08 = 4,921.56/x
  3. Step 3: Cross multiply
    7,275.96x = 10,045.08 × 4,921.56
  4. Step 4: Simplify right side
    7,275.96x = 49,437,463.92
  5. Step 5: Solve for x
    x = 49,437,463.92/7,275.96
  6. Step 6: Final answer
    x = 6,794.63

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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.