Home / 5,913.81-8,160.64-3,261.16

Finding the Fourth Proportional to 5,913.81, 8,160.64 and 3,261.16

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Solution

The fourth proportional to 5,913.81, 8,160.64 and 3,261.16 is: 4,500.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.81 : 8,160.64 = 3,261.16 : x
  2. Step 2: Convert to fraction form
    5,913.81/8,160.64 = 3,261.16/x
  3. Step 3: Cross multiply
    5,913.81x = 8,160.64 × 3,261.16
  4. Step 4: Simplify right side
    5,913.81x = 26,613,124.19
  5. Step 5: Solve for x
    x = 26,613,124.19/5,913.81
  6. Step 6: Final answer
    x = 4,500.17

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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.