Home / 5,587.13-7,710.38-3,164.30

Finding the Fourth Proportional to 5,587.13, 7,710.38 and 3,164.30

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Solution

The fourth proportional to 5,587.13, 7,710.38 and 3,164.30 is: 4,366.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.13 : 7,710.38 = 3,164.30 : x
  2. Step 2: Convert to fraction form
    5,587.13/7,710.38 = 3,164.30/x
  3. Step 3: Cross multiply
    5,587.13x = 7,710.38 × 3,164.30
  4. Step 4: Simplify right side
    5,587.13x = 24,397,955.43
  5. Step 5: Solve for x
    x = 24,397,955.43/5,587.13
  6. Step 6: Final answer
    x = 4,366.82

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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.