Home / 7,474.47-10,313.87-4,287.60

Finding the Fourth Proportional to 7,474.47, 10,313.87 and 4,287.60

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Solution

The fourth proportional to 7,474.47, 10,313.87 and 4,287.60 is: 5,916.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474.47 : 10,313.87 = 4,287.60 : x
  2. Step 2: Convert to fraction form
    7,474.47/10,313.87 = 4,287.60/x
  3. Step 3: Cross multiply
    7,474.47x = 10,313.87 × 4,287.60
  4. Step 4: Simplify right side
    7,474.47x = 44,221,727.57
  5. Step 5: Solve for x
    x = 44,221,727.57/7,474.47
  6. Step 6: Final answer
    x = 5,916.37

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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.