Home / 5,256.18-7,253.34-2,898.30

Finding the Fourth Proportional to 5,256.18, 7,253.34 and 2,898.30

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Solution

The fourth proportional to 5,256.18, 7,253.34 and 2,898.30 is: 3,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,256.18 : 7,253.34 = 2,898.30 : x
  2. Step 2: Convert to fraction form
    5,256.18/7,253.34 = 2,898.30/x
  3. Step 3: Cross multiply
    5,256.18x = 7,253.34 × 2,898.30
  4. Step 4: Simplify right side
    5,256.18x = 21,022,355.32
  5. Step 5: Solve for x
    x = 21,022,355.32/5,256.18
  6. Step 6: Final answer
    x = 3,999.55

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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.