Home / 4,087.69-5,641.02-2,319.57

Finding the Fourth Proportional to 4,087.69, 5,641.02 and 2,319.57

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Solution

The fourth proportional to 4,087.69, 5,641.02 and 2,319.57 is: 3,201.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.69 : 5,641.02 = 2,319.57 : x
  2. Step 2: Convert to fraction form
    4,087.69/5,641.02 = 2,319.57/x
  3. Step 3: Cross multiply
    4,087.69x = 5,641.02 × 2,319.57
  4. Step 4: Simplify right side
    4,087.69x = 13,084,740.76
  5. Step 5: Solve for x
    x = 13,084,740.76/4,087.69
  6. Step 6: Final answer
    x = 3,201.01

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Half scale
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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.