Home / 4,128.37-5,695.76-2,358.72

Finding the Fourth Proportional to 4,128.37, 5,695.76 and 2,358.72

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Solution

The fourth proportional to 4,128.37, 5,695.76 and 2,358.72 is: 3,254.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.37 : 5,695.76 = 2,358.72 : x
  2. Step 2: Convert to fraction form
    4,128.37/5,695.76 = 2,358.72/x
  3. Step 3: Cross multiply
    4,128.37x = 5,695.76 × 2,358.72
  4. Step 4: Simplify right side
    4,128.37x = 13,434,691.23
  5. Step 5: Solve for x
    x = 13,434,691.23/4,128.37
  6. Step 6: Final answer
    x = 3,254.24

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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.