Home / 2,927.13-4,037.40-2,830.71

Finding the Fourth Proportional to 2,927.13, 4,037.40 and 2,830.71

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Solution

The fourth proportional to 2,927.13, 4,037.40 and 2,830.71 is: 3,904.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.13 : 4,037.40 = 2,830.71 : x
  2. Step 2: Convert to fraction form
    2,927.13/4,037.40 = 2,830.71/x
  3. Step 3: Cross multiply
    2,927.13x = 4,037.40 × 2,830.71
  4. Step 4: Simplify right side
    2,927.13x = 11,428,708.55
  5. Step 5: Solve for x
    x = 11,428,708.55/2,927.13
  6. Step 6: Final answer
    x = 3,904.41

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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.