Home / 7,790.28-10,750.73-4,432.74

Finding the Fourth Proportional to 7,790.28, 10,750.73 and 4,432.74

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Solution

The fourth proportional to 7,790.28, 10,750.73 and 4,432.74 is: 6,117.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790.28 : 10,750.73 = 4,432.74 : x
  2. Step 2: Convert to fraction form
    7,790.28/10,750.73 = 4,432.74/x
  3. Step 3: Cross multiply
    7,790.28x = 10,750.73 × 4,432.74
  4. Step 4: Simplify right side
    7,790.28x = 47,655,168.74
  5. Step 5: Solve for x
    x = 47,655,168.74/7,790.28
  6. Step 6: Final answer
    x = 6,117.26

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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.