Home / 5,008.02-7,515.72-1,891.08

Finding the Fourth Proportional to 5,008.02, 7,515.72 and 1,891.08

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Solution

The fourth proportional to 5,008.02, 7,515.72 and 1,891.08 is: 2,838.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,008.02 : 7,515.72 = 1,891.08 : x
  2. Step 2: Convert to fraction form
    5,008.02/7,515.72 = 1,891.08/x
  3. Step 3: Cross multiply
    5,008.02x = 7,515.72 × 1,891.08
  4. Step 4: Simplify right side
    5,008.02x = 14,212,827.78
  5. Step 5: Solve for x
    x = 14,212,827.78/5,008.02
  6. Step 6: Final answer
    x = 2,838.01

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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.