Home / 5,635.17-7,776.05-3,117.24

Finding the Fourth Proportional to 5,635.17, 7,776.05 and 3,117.24

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Solution

The fourth proportional to 5,635.17, 7,776.05 and 3,117.24 is: 4,301.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,635.17 : 7,776.05 = 3,117.24 : x
  2. Step 2: Convert to fraction form
    5,635.17/7,776.05 = 3,117.24/x
  3. Step 3: Cross multiply
    5,635.17x = 7,776.05 × 3,117.24
  4. Step 4: Simplify right side
    5,635.17x = 24,239,798.52
  5. Step 5: Solve for x
    x = 24,239,798.52/5,635.17
  6. Step 6: Final answer
    x = 4,301.52

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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.