Home / 7,101.29-10,648.39-4,140.74

Finding the Fourth Proportional to 7,101.29, 10,648.39 and 4,140.74

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Solution

The fourth proportional to 7,101.29, 10,648.39 and 4,140.74 is: 6,209.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,101.29 : 10,648.39 = 4,140.74 : x
  2. Step 2: Convert to fraction form
    7,101.29/10,648.39 = 4,140.74/x
  3. Step 3: Cross multiply
    7,101.29x = 10,648.39 × 4,140.74
  4. Step 4: Simplify right side
    7,101.29x = 44,092,214.41
  5. Step 5: Solve for x
    x = 44,092,214.41/7,101.29
  6. Step 6: Final answer
    x = 6,209.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.