Home / 1,471.08-2,196.47-1,197.69

Finding the Fourth Proportional to 1,471.08, 2,196.47 and 1,197.69

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Solution

The fourth proportional to 1,471.08, 2,196.47 and 1,197.69 is: 1,788.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,471.08 : 2,196.47 = 1,197.69 : x
  2. Step 2: Convert to fraction form
    1,471.08/2,196.47 = 1,197.69/x
  3. Step 3: Cross multiply
    1,471.08x = 2,196.47 × 1,197.69
  4. Step 4: Simplify right side
    1,471.08x = 2,630,693.15
  5. Step 5: Solve for x
    x = 2,630,693.15/1,471.08
  6. Step 6: Final answer
    x = 1,788.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.