Home / 3,775.95-5,210.63-2,097.47

Finding the Fourth Proportional to 3,775.95, 5,210.63 and 2,097.47

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Solution

The fourth proportional to 3,775.95, 5,210.63 and 2,097.47 is: 2,894.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,775.95 : 5,210.63 = 2,097.47 : x
  2. Step 2: Convert to fraction form
    3,775.95/5,210.63 = 2,097.47/x
  3. Step 3: Cross multiply
    3,775.95x = 5,210.63 × 2,097.47
  4. Step 4: Simplify right side
    3,775.95x = 10,929,114.05
  5. Step 5: Solve for x
    x = 10,929,114.05/3,775.95
  6. Step 6: Final answer
    x = 2,894.40

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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.