Home / 7,782.27-10,741.47-4,800.55

Finding the Fourth Proportional to 7,782.27, 10,741.47 and 4,800.55

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Solution

The fourth proportional to 7,782.27, 10,741.47 and 4,800.55 is: 6,625.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,782.27 : 10,741.47 = 4,800.55 : x
  2. Step 2: Convert to fraction form
    7,782.27/10,741.47 = 4,800.55/x
  3. Step 3: Cross multiply
    7,782.27x = 10,741.47 × 4,800.55
  4. Step 4: Simplify right side
    7,782.27x = 51,564,963.81
  5. Step 5: Solve for x
    x = 51,564,963.81/7,782.27
  6. Step 6: Final answer
    x = 6,625.95

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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.