Home / 7,701.80-10,628.55-4,252.50

Finding the Fourth Proportional to 7,701.80, 10,628.55 and 4,252.50

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Solution

The fourth proportional to 7,701.80, 10,628.55 and 4,252.50 is: 5,868.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,701.80 : 10,628.55 = 4,252.50 : x
  2. Step 2: Convert to fraction form
    7,701.80/10,628.55 = 4,252.50/x
  3. Step 3: Cross multiply
    7,701.80x = 10,628.55 × 4,252.50
  4. Step 4: Simplify right side
    7,701.80x = 45,197,892.93
  5. Step 5: Solve for x
    x = 45,197,892.93/7,701.80
  6. Step 6: Final answer
    x = 5,868.48

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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.