Home / 3,937.13-5,431.53-2,364.32

Finding the Fourth Proportional to 3,937.13, 5,431.53 and 2,364.32

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Solution

The fourth proportional to 3,937.13, 5,431.53 and 2,364.32 is: 3,261.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937.13 : 5,431.53 = 2,364.32 : x
  2. Step 2: Convert to fraction form
    3,937.13/5,431.53 = 2,364.32/x
  3. Step 3: Cross multiply
    3,937.13x = 5,431.53 × 2,364.32
  4. Step 4: Simplify right side
    3,937.13x = 12,841,875.01
  5. Step 5: Solve for x
    x = 12,841,875.01/3,937.13
  6. Step 6: Final answer
    x = 3,261.74

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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.