Home / 7,054.38-10,581.60-1,860.12

Finding the Fourth Proportional to 7,054.38, 10,581.60 and 1,860.12

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Solution

The fourth proportional to 7,054.38, 10,581.60 and 1,860.12 is: 2,790.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,054.38 : 10,581.60 = 1,860.12 : x
  2. Step 2: Convert to fraction form
    7,054.38/10,581.60 = 1,860.12/x
  3. Step 3: Cross multiply
    7,054.38x = 10,581.60 × 1,860.12
  4. Step 4: Simplify right side
    7,054.38x = 19,683,045.79
  5. Step 5: Solve for x
    x = 19,683,045.79/7,054.38
  6. Step 6: Final answer
    x = 2,790.19

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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.