Home / 5,312.57-7,333.16-3,216.69

Finding the Fourth Proportional to 5,312.57, 7,333.16 and 3,216.69

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Solution

The fourth proportional to 5,312.57, 7,333.16 and 3,216.69 is: 4,440.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312.57 : 7,333.16 = 3,216.69 : x
  2. Step 2: Convert to fraction form
    5,312.57/7,333.16 = 3,216.69/x
  3. Step 3: Cross multiply
    5,312.57x = 7,333.16 × 3,216.69
  4. Step 4: Simplify right side
    5,312.57x = 23,588,502.44
  5. Step 5: Solve for x
    x = 23,588,502.44/5,312.57
  6. Step 6: Final answer
    x = 4,440.13

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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.