Home / 7,158.10-10,741.68-3,873.46

Finding the Fourth Proportional to 7,158.10, 10,741.68 and 3,873.46

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Solution

The fourth proportional to 7,158.10, 10,741.68 and 3,873.46 is: 5,812.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,158.10 : 10,741.68 = 3,873.46 : x
  2. Step 2: Convert to fraction form
    7,158.10/10,741.68 = 3,873.46/x
  3. Step 3: Cross multiply
    7,158.10x = 10,741.68 × 3,873.46
  4. Step 4: Simplify right side
    7,158.10x = 41,607,467.81
  5. Step 5: Solve for x
    x = 41,607,467.81/7,158.10
  6. Step 6: Final answer
    x = 5,812.64

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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.