Home / 7,521.66-10,377.99-5,655.42

Finding the Fourth Proportional to 7,521.66, 10,377.99 and 5,655.42

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Solution

The fourth proportional to 7,521.66, 10,377.99 and 5,655.42 is: 7,803.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,521.66 : 10,377.99 = 5,655.42 : x
  2. Step 2: Convert to fraction form
    7,521.66/10,377.99 = 5,655.42/x
  3. Step 3: Cross multiply
    7,521.66x = 10,377.99 × 5,655.42
  4. Step 4: Simplify right side
    7,521.66x = 58,691,892.21
  5. Step 5: Solve for x
    x = 58,691,892.21/7,521.66
  6. Step 6: Final answer
    x = 7,803.05

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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.