Home / 5,273.50-7,915.02-2,810.40

Finding the Fourth Proportional to 5,273.50, 7,915.02 and 2,810.40

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Solution

The fourth proportional to 5,273.50, 7,915.02 and 2,810.40 is: 4,218.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,273.50 : 7,915.02 = 2,810.40 : x
  2. Step 2: Convert to fraction form
    5,273.50/7,915.02 = 2,810.40/x
  3. Step 3: Cross multiply
    5,273.50x = 7,915.02 × 2,810.40
  4. Step 4: Simplify right side
    5,273.50x = 22,244,372.21
  5. Step 5: Solve for x
    x = 22,244,372.21/5,273.50
  6. Step 6: Final answer
    x = 4,218.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.