Home / 7,790.63-10,751.27-4,254.17

Finding the Fourth Proportional to 7,790.63, 10,751.27 and 4,254.17

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Solution

The fourth proportional to 7,790.63, 10,751.27 and 4,254.17 is: 5,870.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790.63 : 10,751.27 = 4,254.17 : x
  2. Step 2: Convert to fraction form
    7,790.63/10,751.27 = 4,254.17/x
  3. Step 3: Cross multiply
    7,790.63x = 10,751.27 × 4,254.17
  4. Step 4: Simplify right side
    7,790.63x = 45,737,655.27
  5. Step 5: Solve for x
    x = 45,737,655.27/7,790.63
  6. Step 6: Final answer
    x = 5,870.86

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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.