Home / 5,127.28-7,080.84-4,417.68

Finding the Fourth Proportional to 5,127.28, 7,080.84 and 4,417.68

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Solution

The fourth proportional to 5,127.28, 7,080.84 and 4,417.68 is: 6,100.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127.28 : 7,080.84 = 4,417.68 : x
  2. Step 2: Convert to fraction form
    5,127.28/7,080.84 = 4,417.68/x
  3. Step 3: Cross multiply
    5,127.28x = 7,080.84 × 4,417.68
  4. Step 4: Simplify right side
    5,127.28x = 31,280,885.25
  5. Step 5: Solve for x
    x = 31,280,885.25/5,127.28
  6. Step 6: Final answer
    x = 6,100.87

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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.