Home / 5,315.02-7,971.46-5,051.57

Finding the Fourth Proportional to 5,315.02, 7,971.46 and 5,051.57

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Solution

The fourth proportional to 5,315.02, 7,971.46 and 5,051.57 is: 7,576.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315.02 : 7,971.46 = 5,051.57 : x
  2. Step 2: Convert to fraction form
    5,315.02/7,971.46 = 5,051.57/x
  3. Step 3: Cross multiply
    5,315.02x = 7,971.46 × 5,051.57
  4. Step 4: Simplify right side
    5,315.02x = 40,268,335.71
  5. Step 5: Solve for x
    x = 40,268,335.71/5,315.02
  6. Step 6: Final answer
    x = 7,576.33

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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.