Home / 6,955.69-10,421.80-3,441.01

Finding the Fourth Proportional to 6,955.69, 10,421.80 and 3,441.01

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Solution

The fourth proportional to 6,955.69, 10,421.80 and 3,441.01 is: 5,155.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,955.69 : 10,421.80 = 3,441.01 : x
  2. Step 2: Convert to fraction form
    6,955.69/10,421.80 = 3,441.01/x
  3. Step 3: Cross multiply
    6,955.69x = 10,421.80 × 3,441.01
  4. Step 4: Simplify right side
    6,955.69x = 35,861,448.70
  5. Step 5: Solve for x
    x = 35,861,448.70/6,955.69
  6. Step 6: Final answer
    x = 5,155.70

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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.