Home / 7,101.01-10,639.74-4,319.27

Finding the Fourth Proportional to 7,101.01, 10,639.74 and 4,319.27

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Solution

The fourth proportional to 7,101.01, 10,639.74 and 4,319.27 is: 6,471.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,101.01 : 10,639.74 = 4,319.27 : x
  2. Step 2: Convert to fraction form
    7,101.01/10,639.74 = 4,319.27/x
  3. Step 3: Cross multiply
    7,101.01x = 10,639.74 × 4,319.27
  4. Step 4: Simplify right side
    7,101.01x = 45,955,856.59
  5. Step 5: Solve for x
    x = 45,955,856.59/7,101.01
  6. Step 6: Final answer
    x = 6,471.74

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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.