Home / 5,742.04-7,923.86-3,224.12

Finding the Fourth Proportional to 5,742.04, 7,923.86 and 3,224.12

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Solution

The fourth proportional to 5,742.04, 7,923.86 and 3,224.12 is: 4,449.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,742.04 : 7,923.86 = 3,224.12 : x
  2. Step 2: Convert to fraction form
    5,742.04/7,923.86 = 3,224.12/x
  3. Step 3: Cross multiply
    5,742.04x = 7,923.86 × 3,224.12
  4. Step 4: Simplify right side
    5,742.04x = 25,547,419.76
  5. Step 5: Solve for x
    x = 25,547,419.76/5,742.04
  6. Step 6: Final answer
    x = 4,449.19

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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.