Home / 4,448.32-6,140.40-2,957.68

Finding the Fourth Proportional to 4,448.32, 6,140.40 and 2,957.68

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Solution

The fourth proportional to 4,448.32, 6,140.40 and 2,957.68 is: 4,082.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,448.32 : 6,140.40 = 2,957.68 : x
  2. Step 2: Convert to fraction form
    4,448.32/6,140.40 = 2,957.68/x
  3. Step 3: Cross multiply
    4,448.32x = 6,140.40 × 2,957.68
  4. Step 4: Simplify right side
    4,448.32x = 18,161,338.27
  5. Step 5: Solve for x
    x = 18,161,338.27/4,448.32
  6. Step 6: Final answer
    x = 4,082.74

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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.