Home / 7,719.30-10,653.78-4,532.46

Finding the Fourth Proportional to 7,719.30, 10,653.78 and 4,532.46

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Solution

The fourth proportional to 7,719.30, 10,653.78 and 4,532.46 is: 6,255.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,719.30 : 10,653.78 = 4,532.46 : x
  2. Step 2: Convert to fraction form
    7,719.30/10,653.78 = 4,532.46/x
  3. Step 3: Cross multiply
    7,719.30x = 10,653.78 × 4,532.46
  4. Step 4: Simplify right side
    7,719.30x = 48,287,831.70
  5. Step 5: Solve for x
    x = 48,287,831.70/7,719.30
  6. Step 6: Final answer
    x = 6,255.47

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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.