Home / 5,256.90-7,254.36-2,898.96

Finding the Fourth Proportional to 5,256.90, 7,254.36 and 2,898.96

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Solution

The fourth proportional to 5,256.90, 7,254.36 and 2,898.96 is: 4,000.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,256.90 : 7,254.36 = 2,898.96 : x
  2. Step 2: Convert to fraction form
    5,256.90/7,254.36 = 2,898.96/x
  3. Step 3: Cross multiply
    5,256.90x = 7,254.36 × 2,898.96
  4. Step 4: Simplify right side
    5,256.90x = 21,030,099.47
  5. Step 5: Solve for x
    x = 21,030,099.47/5,256.90
  6. Step 6: Final answer
    x = 4,000.48

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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.