Home / 5,347.83-7,378.47-3,222.35

Finding the Fourth Proportional to 5,347.83, 7,378.47 and 3,222.35

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Solution

The fourth proportional to 5,347.83, 7,378.47 and 3,222.35 is: 4,445.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,347.83 : 7,378.47 = 3,222.35 : x
  2. Step 2: Convert to fraction form
    5,347.83/7,378.47 = 3,222.35/x
  3. Step 3: Cross multiply
    5,347.83x = 7,378.47 × 3,222.35
  4. Step 4: Simplify right side
    5,347.83x = 23,776,003.58
  5. Step 5: Solve for x
    x = 23,776,003.58/5,347.83
  6. Step 6: Final answer
    x = 4,445.91

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Half scale
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Double scale
Find fourth proportional to 5,348.83, 7,379.85 and 3,223.35
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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.