Home / 7,275.87-10,904.13-2,890.92

Finding the Fourth Proportional to 7,275.87, 10,904.13 and 2,890.92

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Solution

The fourth proportional to 7,275.87, 10,904.13 and 2,890.92 is: 4,332.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,275.87 : 10,904.13 = 2,890.92 : x
  2. Step 2: Convert to fraction form
    7,275.87/10,904.13 = 2,890.92/x
  3. Step 3: Cross multiply
    7,275.87x = 10,904.13 × 2,890.92
  4. Step 4: Simplify right side
    7,275.87x = 31,522,967.50
  5. Step 5: Solve for x
    x = 31,522,967.50/7,275.87
  6. Step 6: Final answer
    x = 4,332.54

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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.