Home / 7,750.27-10,689.87-4,762.18

Finding the Fourth Proportional to 7,750.27, 10,689.87 and 4,762.18

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Solution

The fourth proportional to 7,750.27, 10,689.87 and 4,762.18 is: 6,568.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,750.27 : 10,689.87 = 4,762.18 : x
  2. Step 2: Convert to fraction form
    7,750.27/10,689.87 = 4,762.18/x
  3. Step 3: Cross multiply
    7,750.27x = 10,689.87 × 4,762.18
  4. Step 4: Simplify right side
    7,750.27x = 50,907,085.12
  5. Step 5: Solve for x
    x = 50,907,085.12/7,750.27
  6. Step 6: Final answer
    x = 6,568.43

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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.