Home / 5,232.30-7,864.65-5,135.10

Finding the Fourth Proportional to 5,232.30, 7,864.65 and 5,135.10

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Solution

The fourth proportional to 5,232.30, 7,864.65 and 5,135.10 is: 7,718.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,232.30 : 7,864.65 = 5,135.10 : x
  2. Step 2: Convert to fraction form
    5,232.30/7,864.65 = 5,135.10/x
  3. Step 3: Cross multiply
    5,232.30x = 7,864.65 × 5,135.10
  4. Step 4: Simplify right side
    5,232.30x = 40,385,764.22
  5. Step 5: Solve for x
    x = 40,385,764.22/5,232.30
  6. Step 6: Final answer
    x = 7,718.55

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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.