Home / 7,873.41-10,875.69-5,880.51

Finding the Fourth Proportional to 7,873.41, 10,875.69 and 5,880.51

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Solution

The fourth proportional to 7,873.41, 10,875.69 and 5,880.51 is: 8,122.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,873.41 : 10,875.69 = 5,880.51 : x
  2. Step 2: Convert to fraction form
    7,873.41/10,875.69 = 5,880.51/x
  3. Step 3: Cross multiply
    7,873.41x = 10,875.69 × 5,880.51
  4. Step 4: Simplify right side
    7,873.41x = 63,954,603.80
  5. Step 5: Solve for x
    x = 63,954,603.80/7,873.41
  6. Step 6: Final answer
    x = 8,122.86

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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.