Home / 5,032.30-6,940.96-3,117.50

Finding the Fourth Proportional to 5,032.30, 6,940.96 and 3,117.50

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Solution

The fourth proportional to 5,032.30, 6,940.96 and 3,117.50 is: 4,299.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,032.30 : 6,940.96 = 3,117.50 : x
  2. Step 2: Convert to fraction form
    5,032.30/6,940.96 = 3,117.50/x
  3. Step 3: Cross multiply
    5,032.30x = 6,940.96 × 3,117.50
  4. Step 4: Simplify right side
    5,032.30x = 21,638,438.02
  5. Step 5: Solve for x
    x = 21,638,438.02/5,032.30
  6. Step 6: Final answer
    x = 4,299.91

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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.