Home / 4,981.74-6,875.19-2,993.10

Finding the Fourth Proportional to 4,981.74, 6,875.19 and 2,993.10

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Solution

The fourth proportional to 4,981.74, 6,875.19 and 2,993.10 is: 4,130.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981.74 : 6,875.19 = 2,993.10 : x
  2. Step 2: Convert to fraction form
    4,981.74/6,875.19 = 2,993.10/x
  3. Step 3: Cross multiply
    4,981.74x = 6,875.19 × 2,993.10
  4. Step 4: Simplify right side
    4,981.74x = 20,578,131.19
  5. Step 5: Solve for x
    x = 20,578,131.19/4,981.74
  6. Step 6: Final answer
    x = 4,130.71

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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.