Home / 7,790.43-10,750.95-4,253.66

Finding the Fourth Proportional to 7,790.43, 10,750.95 and 4,253.66

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Solution

The fourth proportional to 7,790.43, 10,750.95 and 4,253.66 is: 5,870.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790.43 : 10,750.95 = 4,253.66 : x
  2. Step 2: Convert to fraction form
    7,790.43/10,750.95 = 4,253.66/x
  3. Step 3: Cross multiply
    7,790.43x = 10,750.95 × 4,253.66
  4. Step 4: Simplify right side
    7,790.43x = 45,730,885.98
  5. Step 5: Solve for x
    x = 45,730,885.98/7,790.43
  6. Step 6: Final answer
    x = 5,870.14

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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.