Home / 5,005.17-7,509.51-1,542.42

Finding the Fourth Proportional to 5,005.17, 7,509.51 and 1,542.42

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Solution

The fourth proportional to 5,005.17, 7,509.51 and 1,542.42 is: 2,314.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005.17 : 7,509.51 = 1,542.42 : x
  2. Step 2: Convert to fraction form
    5,005.17/7,509.51 = 1,542.42/x
  3. Step 3: Cross multiply
    5,005.17x = 7,509.51 × 1,542.42
  4. Step 4: Simplify right side
    5,005.17x = 11,582,818.41
  5. Step 5: Solve for x
    x = 11,582,818.41/5,005.17
  6. Step 6: Final answer
    x = 2,314.17

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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.