Home / 2,317.92-3,197.58-2,151.16

Finding the Fourth Proportional to 2,317.92, 3,197.58 and 2,151.16

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Solution

The fourth proportional to 2,317.92, 3,197.58 and 2,151.16 is: 2,967.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,317.92 : 3,197.58 = 2,151.16 : x
  2. Step 2: Convert to fraction form
    2,317.92/3,197.58 = 2,151.16/x
  3. Step 3: Cross multiply
    2,317.92x = 3,197.58 × 2,151.16
  4. Step 4: Simplify right side
    2,317.92x = 6,878,490.13
  5. Step 5: Solve for x
    x = 6,878,490.13/2,317.92
  6. Step 6: Final answer
    x = 2,967.53

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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.