Home / 3,460.95-4,776.86-2,117.03

Finding the Fourth Proportional to 3,460.95, 4,776.86 and 2,117.03

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Solution

The fourth proportional to 3,460.95, 4,776.86 and 2,117.03 is: 2,921.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,460.95 : 4,776.86 = 2,117.03 : x
  2. Step 2: Convert to fraction form
    3,460.95/4,776.86 = 2,117.03/x
  3. Step 3: Cross multiply
    3,460.95x = 4,776.86 × 2,117.03
  4. Step 4: Simplify right side
    3,460.95x = 10,112,721.46
  5. Step 5: Solve for x
    x = 10,112,721.46/3,460.95
  6. Step 6: Final answer
    x = 2,921.95

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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.