Home / 5,005.02-7,505.40-1,718.46

Finding the Fourth Proportional to 5,005.02, 7,505.40 and 1,718.46

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Solution

The fourth proportional to 5,005.02, 7,505.40 and 1,718.46 is: 2,576.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005.02 : 7,505.40 = 1,718.46 : x
  2. Step 2: Convert to fraction form
    5,005.02/7,505.40 = 1,718.46/x
  3. Step 3: Cross multiply
    5,005.02x = 7,505.40 × 1,718.46
  4. Step 4: Simplify right side
    5,005.02x = 12,897,729.68
  5. Step 5: Solve for x
    x = 12,897,729.68/5,005.02
  6. Step 6: Final answer
    x = 2,576.96

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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.