Home / 3,132.24-4,312.08-2,718.24

Finding the Fourth Proportional to 3,132.24, 4,312.08 and 2,718.24

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Solution

The fourth proportional to 3,132.24, 4,312.08 and 2,718.24 is: 3,742.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.24 : 4,312.08 = 2,718.24 : x
  2. Step 2: Convert to fraction form
    3,132.24/4,312.08 = 2,718.24/x
  3. Step 3: Cross multiply
    3,132.24x = 4,312.08 × 2,718.24
  4. Step 4: Simplify right side
    3,132.24x = 11,721,268.34
  5. Step 5: Solve for x
    x = 11,721,268.34/3,132.24
  6. Step 6: Final answer
    x = 3,742.14

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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.