Home / 5,632.12-7,770.40-3,393.15

Finding the Fourth Proportional to 5,632.12, 7,770.40 and 3,393.15

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Solution

The fourth proportional to 5,632.12, 7,770.40 and 3,393.15 is: 4,681.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,632.12 : 7,770.40 = 3,393.15 : x
  2. Step 2: Convert to fraction form
    5,632.12/7,770.40 = 3,393.15/x
  3. Step 3: Cross multiply
    5,632.12x = 7,770.40 × 3,393.15
  4. Step 4: Simplify right side
    5,632.12x = 26,366,132.76
  5. Step 5: Solve for x
    x = 26,366,132.76/5,632.12
  6. Step 6: Final answer
    x = 4,681.39

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Half scale
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Double scale
Find fourth proportional to 5,633.12, 7,771.78 and 3,394.15
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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.