Home / 7,719.46-10,653.39-4,695.77

Finding the Fourth Proportional to 7,719.46, 10,653.39 and 4,695.77

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Solution

The fourth proportional to 7,719.46, 10,653.39 and 4,695.77 is: 6,480.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,719.46 : 10,653.39 = 4,695.77 : x
  2. Step 2: Convert to fraction form
    7,719.46/10,653.39 = 4,695.77/x
  3. Step 3: Cross multiply
    7,719.46x = 10,653.39 × 4,695.77
  4. Step 4: Simplify right side
    7,719.46x = 50,025,869.16
  5. Step 5: Solve for x
    x = 50,025,869.16/7,719.46
  6. Step 6: Final answer
    x = 6,480.49

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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.