Home / 7,401.38-10,214.30-4,258.58

Finding the Fourth Proportional to 7,401.38, 10,214.30 and 4,258.58

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Solution

The fourth proportional to 7,401.38, 10,214.30 and 4,258.58 is: 5,877.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,401.38 : 10,214.30 = 4,258.58 : x
  2. Step 2: Convert to fraction form
    7,401.38/10,214.30 = 4,258.58/x
  3. Step 3: Cross multiply
    7,401.38x = 10,214.30 × 4,258.58
  4. Step 4: Simplify right side
    7,401.38x = 43,498,373.27
  5. Step 5: Solve for x
    x = 43,498,373.27/7,401.38
  6. Step 6: Final answer
    x = 5,877.07

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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.